Slate

462 entries in Slate
Creators Title Comments & References Year Source Page AA Categories
How to rub out Twenty Chalks at five Times, rubbing out every Time an odd one puzzle or wager, chalk strokes on a board
 		1784
Breslaw's Last Legacy
44
Die Gedankenübertragung No. 8, name of chosen cards appears on previously empty slate which is wrapped in newspaper, rope held to forehead of two spectators as comedy prop, mirror writing in chalk on newspaper
 		1895
Der Kartenkünstler
11
Übertragung der Gedanken von einer Person auf die andere card appears in mirror writing on slate, comedy connection of spectators with rope on foreheads
 		1896
Der moderne Kartenkünstler
227
Jenkins Die Geisterschrift writing appears on slate, chemical and pre-written words in mirror image on wrapping paper
 		Feb. 1896
Die Zauberwelt (Vol. 2 No. 2)
31
Friedrich W. Conradi-Horster Die Geisterschrift à la Conradi numbers added on pad, sum appears on slate without cover
Related to Oct. 1897
Der Zauberspiegel (Vol. 3 No. 4)
61
Das spiritistische Schreibmedium numbers added on pad, sum appears on slate without cover
Related to Nov. 1897
Der Zauberspiegel (Vol. 3 No. 5)
75
Henry Slade Slade's Geistertafel piece of chalk under nail of thumb, or sticky invisible writing and chalk powder
Related to Nov. 1897
Der Zauberspiegel (Vol. 3 No. 5)
76
Henry Slade Slade's Geistertafel second part
Related to Dec. 1897
Der Zauberspiegel (Vol. 3 No. 6)
89
Neueste Geistertafel writing appears on ungaffed slate, soft chalk writing on wrapping paper
 		Jan. 1898
Der Zauberspiegel (Vol. 3 No. 7)
109
C. Wichmann Geisterschrift nach Wichmann writing appears on one of two slates, apparently all sides shown
 		Feb. 1898
Der Zauberspiegel (Vol. 3 No. 8)
126
Samuel "St. Roman" Thiersfeld Die Geisterschrift oder das unergründliche Geheimnis No. 33, freely named word appears on wrapped slate, chalk is shorter as well, assistant in table writes with magnet and chalk has iron core
 		1899
Jedermann Zauberkünstler!
96
Die Geisterschrift in Verbindung mit "Hypnose à la Hansen" No. 5, card chosen and pushed into book, name of chosen card and page numbers appear on previously empty slates, book with same page numbers on every double page
 		1900
Der Amateurzauberer
120
Ferdinand Hügelin "Mephisto" der lebende Teufelskopf slate on table on stage with drawing of devil's head, head moves and coughs out selection
 		May 1901
Die Zauberwelt (Vol. 7 No. 5)
76
Carl Willmann Die Changiertafel slate that can be used as a tray to switch billets, coins, card pieces
 		Oct. 1901
Die Zauberwelt (Vol. 7 No. 10)
151
Die Spiritistentafel oder "Das spiritistische Schreibmedium" on spirit writings on slates, Henry Slade
Related to Nov. 1901
Die Zauberwelt (Vol. 7 No. 11)
172
Die Spiritistentafel part two
Related to Dec. 1901
Die Zauberwelt (Vol. 7 No. 12)
187
Die Stiftspange nail writer, for slate, only on finger tip
Related to Jan. 1902
Die Zauberwelt (Vol. 8 No. 1)
12
Die Stiftplatte nail writer, for slate, only on finger tip
 		Jan. 1902
Die Zauberwelt (Vol. 8 No. 1)
12
Die Doppeltafel mit ausziehbarem Schiefer two slates tied together and sealed, writing appears inside
 		Jan. 1902
Die Zauberwelt (Vol. 8 No. 1)
13
Die Doppeltafel mit loser Einlage flap
Related to Jan. 1902
Die Zauberwelt (Vol. 8 No. 1)
13
Die Doppeltafel mit loser Einlage part two
Related to Feb. 1902
Die Zauberwelt (Vol. 8 No. 2)
29
Die mechanische Doppeltafel mit beweglicher Einlage
Related to Mar. 1902
Die Zauberwelt (Vol. 8 No. 3)
43
Die mechanische Doppeltafel mit beweglicher Einlage
Related to Apr. 1902
Die Zauberwelt (Vol. 8 No. 4)
59
Henry Slade, Dr. Med. v. Rutkowski Zur Slade'schen Schiefertafel
Related to May 1902
Die Zauberwelt (Vol. 8 No. 5)
75
Friedrich "Fritz" Hügli XIV. Telepathie
  • 1. Die Geisterschrift (slates, multiple versions, total of chosen number appears)
  • 2. Die Fernschrift (message appears on paper sealed in envelope, remote writing)
  • 3. Die Rosenverwandlung (rose changes from red to white, red writing appears on paper)
  • 4. Das spiritistische Kartenspiel (deck appears under box and vanishes again, hollow card deck imitation)
 		1903
Moderne Magie
146
Al Baker My Method of getting rid of flap while in audience see title
 		1920s
The Secret Ways of Al Baker (Issue The Twenty-Five Dollar Manuscript)
466
Friedrich "Fritz" Hügli Mit dem Seherblick der Pythia number of rolled dice, domino, name of playing card and chosen color appear on empty signed slates
 		1922
Zwölf Schlager der Magie
55
Oswald Rae The Miracle Slate sum appears on initialed slate under individual numbers
 		1926
Between Ourselves
43
Oswald Rae Mems From My Note Book "Being a selection of useful recipes gathered at various times from different sources too numerous to enumerate"
  • To Render Fabric Fireproof
  • Fireproofing Wood
  • To Clean Velvet or Plush
  • To Clean Glassware
  • To Gloss and Clean Ivorine Balls
  • Red Billiard Ball Dye
  • To Dye Flags, etc
  • Various Coloured Inks or Dyes (Red, Blue, Gold, White Ink)
  • Varnishes
  • To Harden a Felt Hat, etc.
  • Varnish Remover
  • Paint Remover
  • Luminous Paint
  • Porcelain Fekes, etc.
  • Celluloid Varnish
  • To Apply Sealing Wax Evenly
  • Pads for Thought Readers
  • Reading Through Sealed Envelopes
  • Ink for Lightning Artists
  • Stains
  • Black Crayon for Lightning Artists
  • Dull Black Paint
  • Spirit Gum Substitute
  • Gold Paint
  • Chemical Slate Writing
  • Trick Seals
 		1926
Between Ourselves
85
Friedrich "Fritz" Hügli Im Rapport mit Spirits answer to question and sum of numbers appear on cleaned and numbered slates
 		1927
Leichte Zauberei
118
Oswald Rae The Spirit Slate sum and name of actor appear on slate in paper bag, marked slates, Eureka flap
 		1928
Sub Rosa
68
Tom Sellers A Surprise Slate Trick selected word appears on flap slate
 		1931
Sellers' Secrets
14
Paul Rosini The Mystery of the Blackboard information written on blackboard is divined blindfolded, see name index for attribution
Related toVariationsAlso published here Oct. 1934
The Jinx (Issue 1)
4
Theodore Annemann A Real Psychic Card Test stacked deck and slates
VariationsAlso published here Dec. 1934
The Jinx (Issue 3)
11
Tom Sellers Named Card and Slates named card vanishes from box and reappears between slates
Related toVariations 1934
Card Tricks That Work
13
Theodore Annemann, Al Baker The Perfect Club Slate Routine name written up secretly on paper appears on slate
VariationsAlso published here 1934
SH-H-H--! It's A Secret
22
Theodore Annemann The Prophecy of Occurence two card prediction, slates
 		1934
SH-H-H--! It's A Secret
37
Theodore Annemann Dead Men Tell No Tales!
Variations 1934
SH-H-H--! It's A Secret
44
Theodore Annemann, Tom Bowyer Impromptu Frame Ups card divination with instant stooge
 		Mar. 1935
The Jinx (Issue 6)
22
L.E. Duncanson Thought Rays writing on cleared slate read, oil
Also published here May 1935
The Jinx (Issue 8)
31
Robert Parrish Slate Immortality living dead test on slate, or handwriting psychometry
Inspired byRelated toVariationsAlso published here 1935
The Jinx (Issue Summer Extra 1935)
40
Theodore Annemann Extra-Sensory Perception design duplication with stacked picture cards, see page 99 for improvement by Annemann
Related toVariationsAlso published here July 1935
The Jinx (Issue 10)
52
The Super Slates method for appearing message
Also published here Oct. 1935
The Jinx (Issue 13)
63
Al Baker Undercover drawing duplication, mirror (!)
Also published here 1935
Al Baker's Second Book
9
Jean Hugard The 20th Century Slate Test flap handling
Also published here 1936
The Jinx (Issue Winter Extra 1935/36)
87
Dr. Jacob Daley The Ultra Slate Message silicate slate flaps
Related toVariationsAlso published here 1936
The Jinx (Issue Winter Extra 1935/36)
88
Al Baker Numero! end sum also predicts name of spectator
VariationsAlso published here July 1936
The Jinx (Issue 22)
125
Theodore Annemann Notaria chosen card and diagram are divined/duplicated, forcing deck, center tear
Related toAlso published here Dec. 1936
The Jinx (Issue 27)
165
Sigmund Krumgold Color Blindness color of writing on slate changes
 		Dec. 1936
The Jinx (Issue 27)
167
Edward Bagshawe The Materialized Message spirit message, blank card placed into a windowed case and is covered, when uncovered, writing is on card and is immediately visible through the window
 		1936 ca.
Twenty Magical Novelties
43
Edward Bagshawe The Recurring Name writing appears on sealed-up card, naming a chosen celebrity
 		1936 ca.
Twenty Magical Novelties
57
Theodore Annemann Psychic Card Test dressed up simple divination with two slates
 		1937
Encyclopedia of Card Tricks
232
Glenn G. Gravatt Cards and Slates chosen card appears between two slates, Menetekel Deck
 		1937
Encyclopedia of Card Tricks
260
Theodore Annemann Two Card Slate Prophecy two cards divined and written on slates, stacked deck and forcing deck
 		1937
Encyclopedia of Card Tricks
348
Theodore Annemann Slates and Aces message on slate changes itself
Also published here 1937
Encyclopedia of Card Tricks
357
Dr. Jacob Daley The New Addition Slate Presentation
1937
The Jinx (Issue Winter Extra 1936/37)
182
Norman Ashworth Before your Eyes message on slate becomes name of selection when wiping over it, idea by Charles Nyquist on page 270
Related toVariationsAlso published here May 1937
The Jinx (Issue 32)
203
Robert Gysel The Gysel Slate handling for flap slate with hook
Also published here July 1937
The Jinx (Issue 34)
231
Robert Parrish A Slate-Writing Method card and name of dead person appear on slate
 		1937
You'd be Surprised
18
Robert Parrish Slate Psychics chosen card predicted on slate, then design duplication, using slate nail writer
Related to 1937
You'd be Surprised
20
Edward Victor An Idea for Slates - A Novel Production of Names and Drawings on Two Ordinary Slates tied with ribbon
 		1937
Magic of the Hands
102
Dr. Edward G. Ervin Comedy Slate Test humorous message appears on one of two slates
 		1937
The Strange Inventions of Doctor Ervin
33
To Number the Sides and Yet Have a Message Written on One Side
1938
Greater Magic
835
The Empty Frame Idea
1938
Greater Magic
836
Stewart Judah Slate Writing Without a Flap writing appears on slate
 		1938
Greater Magic
836
Oscar Weigle Phantom Hand message on slate becomes number prediction when wiping over it
Related toAlso published here Jan. 1938
The Jinx (Issue 40)
263
R. M. Jamison Ghost Writer appearing writing on slate
Also published here Apr. 1938
The Jinx (Issue 43)
297
Gordon R. McKenney Sacred Script message appears on slate with reference to bible in which number is found, see also page 345
Also published here June 1938
The Jinx (Issue 45)
305
Henry Christ Fatal Number coincidence with name list and name cards, slate writing
Also published here Aug. 1938
The Jinx (Issue 47)
334
Dr. Jacob Daley The Answer! silicate slate flaps
Related toAlso published here Sep. 1938
The Jinx (Issue 48)
335
James G. Thompson Jr. Gabbatha
Also published here Nov. 1938
The Jinx (Issue 50)
347
Franklin M. Chapman Psychic Slate Mystery predictions of two selected cards on slate, chalk swami
 		Dec. 1938
Chap's Scrapbook (Vol. 1 No. 6)
3
Peter Warlock The Satchel book test with slates
Also published here 1939
The Jinx (Issue Summer Extra 1939)
414
Theodore Annemann The Perfect Club Slate Routine name written up secretly on paper appears on slate
Also published here Oct. 1939
The Jinx (Issue 63)
446
James Thompson X-Add-Ray number written on paper divined, pocket slates gimmick
 		Nov. 1939
The Jinx (Issue 65)
454
Robert Parrish Picture Projection slate as mirror
VariationsAlso published here 1939
Do That Again!
19
Oscar Weigle, Robert Parrish Transposed Minds two people remember things from two slates they are shown, yet when they recall the items they are on the other slate
 		1939
Do That Again!
21
Oscar Weigle, Robert Parrish Comedy "Color-Changing" Slate "black cats at midnight", "white swans in snowstorm" appear on slate
 		1939
Do That Again!
23
Tom Sellers The Name of the Slate slate is covered with white chalk, when washed, name of card remains, flap
 		1939
Scots Magic
23
Theodore Annemann Slates and Aces initialed message on slate changes itself
Also published here 1939
The Incorporated Strange Secrets
14
Ein Tafeltrick pips from chosen card vanish and appear on slate
Also published here
  • "Magikeren" January 1939.
 1939
Hokus Pokus (Vol. 1 No. 2)
15
Walter B. Gibson Before Your Eyes Improvement improvement
Inspired byAlso published here Mar. 1940
The Jinx (Issue 83)
535
Dr. Jacob Daley Never Fail instructions to rope trick appear on slates
Also published here 1940
The Jinx (Issue 85)
541
Henry Hardin Spirit Slate showing slates empty
 		1940
The Jinx (Issue 97)
598
Stanley Collins Psychic Type several names written on cards, one selected, it appears on previously empty slates
Also published here 1940
The Jinx (Issue 108)
644
Dr. Lazlo Rothbart The Spectre Slate chosen object is divined, with slate, hard and soft chalk
 		May 1940
Chap's Scrapbook (Vol. 2 No. 11)
4
Joseph Ovette Slate Message Reading three pieces of information are written on a slate and divined by performer
 		1940
Fast Ones
24
Stewart James Half and Half three dice and list of letter combinations, a coincidence/prediction happens
Related toVariationsAlso published here Apr. 1941
The Jinx (Issue 134)
766
Herbert Hood The Psychic Slates unseen selection is duplicated on slate, marked & stacked
Also published here Apr. 1941
The Jinx (Issue 136)
775
Stanley Collins Nonpareil free selection (and switched) appears on marked slates
Also published here 1941
The Jinx (Issue 137)
779
Clarence Hubbard "My Case" word from ten selected, appears on previously empty slate, flap with corner cut
Also published here Aug. 1941
The Jinx (Issue 144)
807
Clayton Rawson Ghost Writer card reversed behind back, name appears on slate
Also published here 1941
The Jinx (Issue 147)
821
Theodore Annemann Headline Hunter magician's choice strategy
Also published here Dec. 1941
The Jinx (Issue 151)
883
Al Baker Seeing Through Solid Matter numbers written on slate which is wrapped up, assistant can name total and numbers
Also published here 1941
Magical Ways and Means
79
Al Baker The Baker Slate Easel for appearing writing
Also published here 1941
Magical Ways and Means
87
Al Baker The Number and Book Test numbers on billets in changing bag
Also published here 1941
Magical Ways and Means
90
Al Baker Living and Dead Test Plus with assistent, number total, code
Also published here 1941
Magical Ways and Means
102
Al Baker Kiddie Party Slate name of two children appears on slates, preshow, flap slate contruction
Also published here 1941
Magical Ways and Means
129
U. F. Grant, Danny Morris, Howcani Gaglet Department
  • idea for Al Baker's "Salt Trick" (Morris)
  • idea for cleaning slates, when done with chemical formula (Grant)
  • gag, where two eggs are cracked and one put in pocket, but still three yolks are seen (Howcani)
Inspired by July 1942
The Phoenix (Issue 14)
59
Tom Sellers New Slate Writing writing appears on examined slate
 		1943
Magical Mixture
26
Clyde Cairy Hoomdangs result of some calculations with the serial number of a chosen bill, appear on slates
 		Mar. 1943
The Phoenix (Issue 30)
123
Clayton Rawson Slate Sleights with small slates, two routines
  • The Great Oriental Enigma (selected card appears written on slates, two flaps)
  • Ghost Writer's Cramp (four messages, one on each side)
 		May 1943
The Phoenix (Issue 35)
143
Clayton Rawson The Backward Ghost two slate mysteries, different working and preparation
  • A Merlini Mystery
  • The Message From Nowhere
 		June 1943
The Phoenix (Issue 37)
151
Hen Fetsch Cute! Huh! one of two coin penetrates a slate, name of selection appears on slate
 		Aug. 1943
The Phoenix (Issue 41)
168
Willard S. Smith Special Sale coins and slate idea, with defense stamp
 		Oct. 1943
The Phoenix (Issue 45)
187
Jean Hugard The Flap Slate
July 1943
Hugard's Magic Monthly (Vol. 1 No. 2)
7
William S. Houghton Mystic Slate Prediction Routine total predicted on a slate
Inspired by 1943
The Magic 36
25
William S. Houghton "Miracle Slate" Presentation
1943
The Magic 36
55
William S. Houghton Spirit Writing Wrinkle numbering the sides of two slates, also for blank cards
 		1943
The Magic 36
59
R. M. Jamison The Oracle Speaks answer to a question appears on slate, from Thayer Oracle Numbered Question Book, with change box for billets
 		July 1944
Hugard's Magic Monthly (Vol. 2 No. 2)
57
Theodore Annemann Impromptu Frame-Ups feeling time behind back, knowing what is drawn on slate, instant stooge
  • 1. Envelope Test
  • 2. Watch Test
  • 3. Slate Test
  • 4. Another Slate Test
  • 5. Shirt Test
Also published here 1944
Practical Mental Effects
113
Theodore Annemann The Perfect Club Slate Routine name written up secretly on paper appears on slate
Also published here 1944
Practical Mental Effects
175
Theodore Annemann Extra-Sensory Perception design duplication with stacked picture cards
Also published here 1944
Practical Mental Effects
177
Theodore Annemann, Al Baker, Dr. Jacob Daley Notaria chosen card and diagram are divined/duplicated, forcing deck, center tear
Also published here 1944
Practical Mental Effects
179
Theodore Annemann A Torn Letter paper with letter of alphabet is torn and restored between slates, pocket index
Also published here 1944
Practical Mental Effects
181
Theodore Annemann Headline Hunter magician's choice strategy
Also published here 1944
Practical Mental Effects
183
Theodore Annemann Psychic Slate Test stacked deck and slates
Also published here 1944
Practical Mental Effects
185
Theodore Annemann, Robert Gysel The Gysel Slate handling for flap slate with hook
Also published here 1944
Practical Mental Effects
186
Norman Ashworth, Walter B. Gibson Before Your Eyes message on slate becomes name of selection when wiping over it
  • Walter Gibson Method
Also published here 1944
Practical Mental Effects
188
Oscar Weigle Phantom Hand message on slate becomes number prediction when wiping over it
Also published here 1944
Practical Mental Effects
190
Dr. Jacob Daley The Ultra Slate Message
Also published here 1944
Practical Mental Effects
192
Dr. Jacob Daley The Answer silicate slate flaps
Also published here 1944
Practical Mental Effects
193
Dr. Jacob Daley Never Fail instructions to rope trick appear on slates
Also published here 1944
Practical Mental Effects
195
Dr. Jacob Daley Ultra Addition
  • Dr. Daley's Variation with Mechanical Slate
Related toAlso published here 1944
Practical Mental Effects
196
Gordon R. McKenney Sacred Script message appears on slate with reference to bible in which number is found
Also published here 1944
Practical Mental Effects
198
Len Sewell Tribal Try paper wrapped between boards / slates, prediction or something else appears on paper inside
Also published here 1944
Practical Mental Effects
200
Robert Parrish Duo Telepathy coding with thumb/nail writer on chalk
Also published here 1944
Practical Mental Effects
202
Robert Parrish Slate Immortality living dead test on slate, or handwriting psychometry
Also published here 1944
Practical Mental Effects
203
Walter Baker, Al Baker Numero! end sum also predicts name of spectator
Also published here 1944
Practical Mental Effects
207
Theodore Annemann The Super Slates method for appearing message
Also published here 1944
Practical Mental Effects
209
James G. Thompson Jr. Gabbatha
Also published here 1944
Practical Mental Effects
210
Clayton Rawson Ghost Writer card reversed behind back, name appears on slate
Also published here 1944
Practical Mental Effects
211
Stanley Collins Nonpareil free selection (and switched) appears on marked slates
Also published here 1944
Practical Mental Effects
212
Clarence Hubbard My Case word from ten selected, appears on previously empty slate, flap with corner cut, tray to add envelope
Also published here 1944
Practical Mental Effects
214
Jean Hugard The 20th Century Slate Test flap handling
Also published here 1944
Practical Mental Effects
216
Peter Warlock The Schoolbag book test with slates
Also published here 1944
Practical Mental Effects
216
R. M. Jamison Ghost Writer appearing writing on slate
Also published here 1944
Practical Mental Effects
220
L.E. Duncanson Thought Rays writing on cleared slate read, oil
Also published here 1944
Practical Mental Effects
222
Henry Christ Fatal Number coincidence with name list and name cards, slate writing
Also published here 1944
Practical Mental Effects
223
Herbert Hood The Psychic Slate unseen selection is duplicated on slate, marked & stacked
Also published here 1944
Practical Mental Effects
226
Stanley Collins Psychic Type several names written on cards, one selected, it appears on previously empty slates
Also published here 1944
Practical Mental Effects
227
Chalk on Metal Slates Tip
1944
Practical Mental Effects
231
Theodore Annemann, Paul Rosini The Mystery of the Blackboard information written on blackboard is divined blindfolded, see Jinx for attribution
Also published here 1944
Practical Mental Effects
253
Roger Barkann Multiple Slate Writing several slates, on every slate appears a message
Related toAlso published here 1945
My Best
219
Harry Dobrin Double Locking Slate
Related to 1945
My Best
228
Harry Dobrin Double Locking Periscope Slate with mirror, design duplication
 		1945
My Best
229
Norm Cummins Clean Out Slate Test four cards added, number appears on slates
 		1945
Miracles in Mentalism and Psychic Experimentation
26
C. L. Boarde Prophetics mini slate, two flaps
 		Apr. 1945
The Phoenix (Issue 81)
330
Paul Curry A Period of Darkness selection in the deck and a signed slate turnover in the dark, while spectator secures them on the table
VariationsAlso published here June 1945
The Phoenix (Issue 86)
348
Jean Hugard The Slate Trick normal slates, change of slates to let both examine
 		Apr. 1945
Hugard's Magic Monthly (Vol. 2 No. 11)
113
Double Slate Writing flap slates, forcing deck
 		1945/27
Tarbell Course in Magic — Volume 4
375
Two Messages on Slates flap slate
 		1945/27
Tarbell Course in Magic — Volume 4
378
Numbered Double-Slate Writing flap slates
 		1945/27
Tarbell Course in Magic — Volume 4
386
Simplex Double Slates no flap
 		1945/27
Tarbell Course in Magic — Volume 4
389
Single-Slate Writing flap, big envelope
 		1945/27
Tarbell Course in Magic — Volume 4
390
Transfer Single-Slate Writing transfering chalk from newspaper to ungaffed slate
 		1945/27
Tarbell Course in Magic — Volume 4
391
A Visible Message writing appears while rubbing surface with chalk powdered brush
 		1945/27
Tarbell Course in Magic — Volume 4
392
Harry Dobrin Double Locking Slate moving part
Related to 1945/27
Tarbell Course in Magic — Volume 4
392
William Larsen, T. Page Wright Larsen and Wright Double Message one slate, flap, large envelope
 		1945/27
Tarbell Course in Magic — Volume 4
394
Jack Miller Jack Miller Slate Routine two slates, no flap
Related to 1945/27
Tarbell Course in Magic — Volume 4
396
Roger Barkann Multiple Slate Writing four slates, flap
Related to 1945/27
Tarbell Course in Magic — Volume 4
399
Walter B. Gibson A Spooky Message flap, "Before Your Eyes" wipe-away prediction
Related to 1945/27
Tarbell Course in Magic — Volume 4
402
Message on Paper message appears on paper between slates
 		1945/27
Tarbell Course in Magic — Volume 4
406
Chinese Comedy Slate Message message appears on signed slate, corner cut flap
 		1945/27
Tarbell Course in Magic — Volume 4
408
White Chalks of Many Colors white writing changes color, flap
 		1945/27
Tarbell Course in Magic — Volume 4
411
Cyril Marriott Facsimile content from billet is reproduced on a slate
 		Apr. 1946
The Phoenix (Issue 103)
415
Harvey P. Graham Slate Plate slate effects using a dinner plate, brief explanation of a living and dead routine, appearance of a writing and a design duplication
 		July 1946
The Phoenix (Issue 109)
438
R. M. Jamison Specks in Specs glasses of spectator as mirror, drawing on slate duplicated, or bottom card of deck known after spectator's shuffle
 		Jan. 1946
Hugard's Magic Monthly (Vol. 3 No. 8)
185
Milbourne Christopher Think of a City list of cities written on slate, performer predicts one with chalk mark, magnetic movable mark
  • Variation 1
  • Variation 2
 		Sep. 1946
Hugard's Magic Monthly (Vol. 4 No. 4)
248
Milbourne Christopher Passe-Passe Slates two slates with different colors written on them are placed inside two bags with same colors, transposition, Edward Massey's Duplex Slates
 		Sep. 1946
Hugard's Magic Monthly (Vol. 4 No. 4)
248
Milbourne Christopher Massey Slate Tip gag
 		Nov. 1946
Hugard's Magic Monthly (Vol. 4 No. 6)
264
Peter Warlock Pieces of Slate writing appears, version without a flap, chalk can write permanent and nonpermanent
 		Sep. 1947
The Phoenix (Issue 134)
537
C. L. Boarde Question and Answer - Variation A with message appearing on slates
 		1947
Mainly Mental Vol. 1 — Billet Reading
76
George G. Kaplan The Spirit-Slates and Magazine Test for close-up work
 		1948
The Fine Art of Magic
218
Nate Leipzig Slate Move apparently showing all four sides of two slates blank
 		1948
The Fine Art of Magic
219
Howard A. Adams Cheap Look into the Future flap
 		Apr. 1948
The Phoenix (Issue 149)
600
Bruce Elliott Slate of Mind flap that can be palmed off
 		May 1948
The Phoenix (Issue 150)
602
Harvey P. Graham, Bob Somerfeld Future Minus sum divination with slates, flap
 		Oct. 1948
The Phoenix (Issue 161)
646
Bob Somerfeld Thumb Fun duplication of letters, drawing and figures, with slates
 		1949
Ireland's Yearbooks (Issue Yearbook 1949)
7
George B. Anderson The Ultimate Prediction - A "No Smudge" Swami prediction in envelope, secret writing method
Related to 1949
It Must Be Mindreading
44
Milbourne Christopher Spirit Slates producing three messages on one side of a slate, Massey Slate
 		Feb. 1949
Hugard's Magic Monthly (Vol. 6 No. 9)
509
Milbourne Christopher Name Transmission name of spectator vanishes from large slate and appears on small slate, slates in two paper envelopes
 		Oct. 1949
Hugard's Magic Monthly (Vol. 7 No. 5)
589
Joseph C. Keller Spirit Slates & Rising Cards effect combo, deck fastened to slate and card rises, then name of card appears on slate
 		May 1949
Grant's Inner Circle Magazine (Vol. 1 No. 8)
7
U. F. Grant Slate-of-Clock alarm clock set to any time by spectator, chalk clock face on slate becomes the same time
 		June/July 1949
Grant's Inner Circle Magazine (Vol. 1 No. 9 & 10)
10
Maurice Kump The Hommade Magician
  • Hair (for thread work)
  • Thumbtips
  • Slates
  • Carbon
 		1950
Ireland's Yearbooks (Issue Yearbook 1950)
1
Bob Somerfeld Loaded Spook
1950
Ireland's Yearbooks (Issue Yearbook 1950)
3
Eddie Clever By Chance Alone two selection put on slates with written predictions match
 		1950
Ireland's Yearbooks (Issue Yearbook 1950)
9
Jimmy Pring Slates Once Again word is written on slate with chosen color, then erased and dust thrown on other slate where same word appears in same color
 		Apr. 1950
Hugard's Magic Monthly (Vol. 7 No. 11)
655
Harry Banderob The Cards and Slates with medium on stage, coding card by flashing bottom card
 		1951
Psychic Magic — Vol. 1
28
Ormond McGill Telepathic Drawing drawing duplication on slates
 		1951
Psychic Magic — Vol. 2
11
Ormond McGill A Theatrical Mindreading Act divination of an ESP sign and start of Q&A act by getting a spectator's full name with just having the initials
 		1951
Psychic Magic — Vol. 2
17
Ormond McGill A Climactic Test prediction of sum, flap
 		1951
Psychic Magic — Vol. 2
23
Ormond McGill Automatic Slate Writing spectator writes yes or know on a slate, general comments on automatic writing
 		1951
Psychic Magic — Vol. 5
10
Don Alan Keep Your "I" on Your Hat two pocket slates, signatures of performer and spectator on one side, hat size on the other, hat sizes change places
 		1951
Close-Up Time with Don Alan
12
Bill Simon Telepathy spectator selects a card, another writes a number on it, both informations are divined and written on a slate
 		1952
Effective Card Magic
104
Theodore Annemann A New Slate Writing Wrinkle flap added
 		1952
Annemann's Buried Treasures
14
John Hamilton Annemann's Slates and Aces in Miniature prediction of an ace, slate in envelope
Also published here Apr. 1953
The Phoenix (Issue 279)
1116
Aage Darling Instanto Book Test book test, several books first word is divined
 		1953
I'll Read Your Mind
7
Robert Parrish The No Gimmick Slate Gimmick slate as mirror
 		1954
Ireland's Yearbooks (Issue Yearbook 1954)
32
Stewart James Nullificator Slate Mystery names of cut to cards are predicted on slate
 		1954
The Nullificator
6
Robert Parrish Telepathic Drawings design duplication with slates, wet slate as mirror
 		1954/27
Tarbell Course in Magic — Volume 6
195
Gene "Phantini" Grant The Ghostly Hand name of a dead person appears on slate, flap
 		1955
Phantini's Lost Book of Mental Secrets
9
Gene "Phantini" Grant Miracle Design Duplication with slates
 		1955
Phantini's Lost Book of Mental Secrets
13
Don Tanner The East India Card Trick basket and rope drawn on slate, rope on drawing begins to raise and picture of selection appears, Cardographic
Related to 1956
Ireland's Yearbooks (Issue Yearbook 1956)
7
Jack Yates Astral Headline medium divines words from newspaper
 		1956
Minds in Duplicate
24
Tot O'Regan Ultra Citation chosen words, symbols appear on slate, special slate design, two methods
 		1957
Ireland's Yearbooks (Issue Yearbook 1957)
11
Bill Hendricks My Hero name of spectator appears on slate
 		1957
Ireland's Yearbooks (Issue Yearbook 1957)
25
Stewart James Slatest symbol and color are selected, appear on slate, with cards and chips
 		1957
Magic Mine No. 1
22
Bill Hendricks The Spirit of Christmas gag
Related to 1958
Ireland's Yearbooks (Issue Yearbook 1958)
39
Tony Corinda 18. The White Swami writing appears between two slates
 		1958
The Swami Gimmick
22
William P. Miesel Another Spirit Slate after writing appears, slate is still wet
 		July 1958
The Cardiste (Issue 10)
9
Charly Eperny Eperny's Geistertafel special design of slate, movable part
 		1958
Hokus Pokus (Vol. 19 No. 6)
764
Don Tanner Slate Magic No. 8, vase drawn on slate, spring flower bouquet appears in drawn vase
 		1958 ca.
50 Tricks and Ideas with Spring Flowers
3
Bert Douglas Make Safety a Habit for safety school show, slate message transforms
 		1959
Ireland's Yearbooks (Issue Yearbook 1959)
10
Bill Hendricks Blood from a Turnip gag with slates
Related to 1959
Ireland's Yearbooks (Issue Yearbook 1959)
27
Tony Corinda (1) Spirit Writing on slate, chemical
 		1959
Mediumistic Stunts
280
Tony Corinda (29) Spirit Writing on a Slate writing appears, with assistant
 		1959
Mediumistic Stunts
299
Robert A. Nelson Spirit Portraits portrait of selected VIP appears on a slate
 		1959
More Miracles in Mentalism
22
Harry Stanley Unique Book Test flap index
 		1960
Magic of the Mind
30
Cyro Brighton Think of a City several cities are written on a slate, one thought of and performer divines it by marking an X next to it, moving part
 		1960
Magic of the Mind
60
Len Belcher Some Total sum prediction
 		1960
Magic of the Mind
61
Len Belcher Radiopathy writing duplication on slates by medium, slates in bags
 		1960
Magic of the Mind
62
Harry Stanley Ghost Writing writing appears on side of a slate
 		1960
Magic of the Mind
106
Jochen Zmeck "Perfekt" - ein neuer Buchtest book chosen, two digits named (range force) to select page and word, both predicted
 		1960
Das Jochen Zmeck Skriptum
28
Eugene Gloye, Billy McComb Surprise Prediction McCombical Prediction variation, with slate
 		Apr. 1961
The New Phoenix (Issue 356)
253
Thomas Alan Waters Addenda to "Mystery of the Blackboard information written on blackboard is divined blindfolded
Inspired by Aug. 1961
The New Phoenix (Issue 360)
269
Jochen Zmeck Das Mene-Tekel-Spiel roughed short/long menetekel and applications
1. card to top
2. card through table
3. divination
4. rising card
5. card to pocket
6. card travels between two slates
7. having multiple cards chosen
 		1962
Enzyklopädie der Rauh-Glatt-Kartentricks — Teil I
21
Paul Marcus The Tehunga's Secret comedy routine, question is answered, answer appears on unknown language on slate and performer translates
 		Mar. 1963
The New Phoenix (Issue 378)
339
Dr. William Weyeneth Ein genialer Schiefertafeltrick sum prediction on back of slate, gaffed slate
 		1963
Hokus Pokus (Vol. 24 No. 2)
29
Aaron Wainer Doubles two slates, message on one, spectator chooses right one, flap
 		Dec. 1965
The Pallbearers Review Vol. 1-4 (Vol. 1 No. 2)
6
Eddie Clever Influence of Evil five ESP symbols on slate, one spectator rubs out four of them behind back, another selects ESP card from deck, they match
Related to
  • p. 35 for suggestion by Peter Warlock
 Jan. 1966
The Pallbearers Review Vol. 1-4 (Vol. 1 No. 3)
13
Peter Alexis Epic Slate Test sum prediction
VariationsAlso published here Mar. 1967
The Pallbearers Review Vol. 1-4 (Vol. 2 No. 5)
90
Tony Bartolotta Epic Slate Test - Alternate Method sum prediction
Inspired by May 1967
The Pallbearers Review Vol. 1-4 (Vol. 2 No. 7)
97
Burling Hull on Dunninger's Slate Trick and Al Baker's improvement
 		June 1967
The Pallbearers Review Vol. 1-4 (Vol. 2 No. 8)
105
Robert Parrish Omega Spirit Slates display sequence for two slates with different colored surfaces, writing appears, example: some freely chosen cards placed between slates, some of their names appear written
 		Sep. 1967
The Pallbearers Review Vol. 1-4 (Vol. 2 No. 11)
124
Jack Posetary The Fifty Minute Hour Q&A with answers given via spirit writing on slates
 		Oct. 1967
The Pallbearers Review Vol. 1-4 (Vol. 2 No. 12)
125
Theodore Annemann A Slate Secret peek mirror
Related to Mar. 1968
The Pallbearers Review Vol. 1-4 (Vol. 3 No. 5)
163
George McLean A Slate Secret peek mirror on watch face, non-mirror method
Related to May 1968
The Pallbearers Review Vol. 1-4 (Vol. 3 No. 7)
178
James Porter, Karl Fulves Little Albert Slate Variation
Inspired by Oct. 1968
The Pallbearers Review Vol. 1-4 (Vol. 3 No. 12)
213
W. G. Prunty Simple Newspaper Test word chosen with playing cards (cut force), it is predicted on a slate
 		1968
Newspaper Magic
83
Ray Hyman Experiment in Auras Slate duplication effect with newspaper
 		1968
Newspaper Magic
84
Roger Barkann, Paul Maurer Multiple Slate Writing several slates, on every slate appears a message, slightly modified by Paul Maurer
Also published here 1968
Hokus Pokus (Vol. 29 No. 1)
6
Paul Maurer, Paul Curry Der Mitternachtstrick selection in the deck and a signed slate turnover in the dark, while spectator secures them on the table
Inspired by 1968
Hokus Pokus (Vol. 29 No. 2)
34
George B. Anderson The Bystander Book Test spectator divines chosen word from book by writing it on a slate
 		1968
You, Too, Can Read Minds
18
George B. Anderson Tuning In on a Mindreader word is written on slate and erased, divination of word, oiled chalk
 		1968
You, Too, Can Read Minds
19
George B. Anderson Duplicating a Drawing frames with cardboard
 		1968
You, Too, Can Read Minds
29
Albert Spackman Miniature Rapping Hand miniature doll hand in box rapping and answering questions, different routine ideas,
  • word and card divination and with spirit slates
  • stop trick with cards
  • whistle put into the box and the hand moves and the whistle blows
  • gipsy thread is restored in the box, while hand moves
  • in conjunction with "The Thing"
  • card turnover

Related to 1969
The Art of Close-Up Magic — Volume 2
74
Paul Sweetman New Slate Flap flap rolls itself up
 		Aug. 1969
The Pallbearers Review Vol. 1-4 (Vol. 4 No. 10)
276
E. Leslie May Controlled Thot ESP card chosen, written on slate by spectator and performer and they match, see also p. 283 & p. 348 for references
Inspired by Sep. 1969
The Pallbearers Review Vol. 1-4 (Vol. 4 No. 11)
281
Johann Nepomuk Hofzinser A Slate Test four numbers added, predicted
 		Winter 1969
The Pallbearers Review Vol. 5-8 (Vol. 5 No. 3rd Folio)
296
Aldini Slate-O-Vision ESP card prediction, cards clipped on slate
 		1969
Roughingly Yours
14
Alan Shaxon In Person! MC trick, a name is chosen from a booklet containing artists as well as his telephone number, the number appears on a slate, the picture of the artist in a frame and the artist performs next, forcing the artist
 		1970
My Kind of Magic
70
Robert Parrish Duplex Slates color, food and city written on slate by different spectators, then put in envelope, another slate (signed by spectators) is used by performer to divine choices
 		Winter 1970
The Pallbearers Review Vol. 5-8 (Vol. 6 No. 4th Folio)
376
Dr. E. Raymond Carlyle After Glow banded slates, message appears
 		1970
Magick (Issue 11)
53
Roger Smith A Glorpy Routine two slates are numbered and covered with folded handkerchief, ghost appears under handkerchief and as image on slate
 		Aug. 1970
Necromancer (Vol. 1 No. 1)
5
Charles Ostin The King's English spectator writes letter on slate, next spectator adds later and so on until word is formed, this is predicted in typed form, see p. 426 for comment by William Taylor
(spelled "Charles Osten", see p. 637 for correction)
Related to Feb. 1971
The Pallbearers Review Vol. 5-8 (Vol. 6 No. 4)
397
Al Baker Spirit Sum flap slate
 		July 1971
The Pallbearers Review Vol. 5-8 (Vol. 6 No. 9)
430
Burling Hull Slate Trick Master Slate Writing, writing appears on slates, described thanks to Mickey Hades (see p. 460)
Inspired by Sep. 1971
The Pallbearers Review Vol. 5-8 (Vol. 6 No. 11)
441
Roy Johnson, Peter Warlock On the Slate two signed slates with different symbols, one put under spectator's foot and one in envelope, symbols change places, flap
Variations 1971
Second Time Around
53
Karlheinz Krummel La merveille de la transmission de pensee one ahead prediction with three slates, names of spectators written on one side, with stand
 		1971
Hokus Pokus (Vol. 32 No. 2)
32
Orville Wayne Meyer Spirit Transposition designs on miniature slates change position, flap
 		1972
Tarbell Course in Magic — Volume 7
29
Billy McComb, Ken De Courcy Uncle's Will Slates messages appear on slates, comedy
 		1972
I Did It My Way
13
James G. Thompson Jr. Strongest Thought five spectators write stuff on billets, secret instructions on what type of information to write on billet, sealed envelope reading method, chalk with razor blade
 		Winter 1972
The Pallbearers Review Vol. 5-8 (Vol. 7 No. 6th Folio)
498
Paul Siegel Numeration Sensation several numbers are added, total is predicted on slate
 		1972
Doorway to Delusion
14
Paul Siegel Dart Delirium word from a newspaper is selected by throwing a a dart, word appears on slate
 		1972
Doorway to Delusion
32
William Patterson Epic Force! 'force' of one out of three symbols, for last phase of Mental Epic
 		1972
Magick (Issue 54)
268
Frederick M. Shields Something Old; Something New names of cards appear on green chalk boards, Elmsley count to hide writing, multiple svengali
 		1972
Magick (Issue 62)
307
Dr. Jacob Daley Daley's Adding Slate Flap Effect No. 159, seems to be a secret flap turnover as one approaches a spectator to add up numbers on slate
Related to 1972
Jacob Daley's Notebooks
41
Dr. Jacob Daley Daley's Spirit Effect Supreme No. 276, q&a thing with flap slates, probably "The Answer"
Also published here 1972
Jacob Daley's Notebooks
68
Dr. Jacob Daley Daley's Rope And Spirit Slate No. 287, cut rope is knotted and put between two slates, comes out restored with knot remaining between slates
 		1972
Jacob Daley's Notebooks
73
Dr. Jacob Daley Slate Tricks No. 442, list of four slate effects without much detail
 		1972
Jacob Daley's Notebooks
126
Slate And Spirit Trick (Jinx #32) Improvement No. 471, how to write, idea of using flap
Inspired by 1972
Jacob Daley's Notebooks
132
Flap Slate Top Change Effect No. 522, doing a top change with a slate flap (presumably transferring the flap from slate to slate, not clearly described) to affect later appearance of chosen drawing or similar
Related to 1972
Jacob Daley's Notebooks
147
Top Change Slate Gag With Extra Sensory Perception Cards No. 523, same as previous entry it seems
Related to 1972
Jacob Daley's Notebooks
147
Elmer P. Ransom Elmer Ransom's Flap Slate Wrinkle No. 721, as addition pad
 		1972
Jacob Daley's Notebooks
193
Jochen Zmeck Drei Wünsche children routine with drawing transformation on slate, dream story presentation
Inspired by
  • Theo Doré routine
 1972
Sieben mal Drei
23
Charles Ostin Trance Slate sliding slate used for a word divination by spectator
 		July 1973
The Pallbearers Review Vol. 5-8 (Vol. 8 No. 9)
637
Ben Christopher Dead Slate living dead test, names written on a slate, assistant divines
 		Sep. 1973
The Pallbearers Review Vol. 5-8 (Vol. 8 No. 11)
659
Ben Christopher Mental Detective see also p. 728 for comment by Eric Kaufman
 		Oct. 1973
The Pallbearers Review Vol. 5-8 (Vol. 8 No. 12)
677
Karl Fulves Remembrance Of Things Past ESP signs design duplication with gaffed peek slate and paramnesia presentation, see also p. 690 for comment
 		Nov. 1973
The Pallbearers Review Vol. 9-10 (Vol. 9 No. 1)
683
Karl Fulves History on peek slates, see-through, electronic with light source
 		Nov. 1973
The Pallbearers Review Vol. 9-10 (Vol. 9 No. 1)
685
John D. Pomeroy Dr. Q Slate Routine locking flap, duplication of word, number and color
 		1973
Mentology
9
Robert Parrish Great Slate Test chosen card divined on slate and duplicate writing appears on another slate, repeated with random name written down by spectator
Inspired by
  • Laurie Ireland's "Three Slate Routines" (1930s)
 Summer 1974
The Pallbearers Review Vol. 9-10 (Vol. 9 No. 9th Folio)
765
Robert Parrish Picture ESP slate as mirror
Also published here Summer 1974
The Pallbearers Review Vol. 9-10 (Vol. 9 No. 9th Folio)
770
Karl Fulves Predelection spectator makes cross on slate with chalk on list, location is felt behind back
 		Oct. 1974
The Pallbearers Review Vol. 9-10 (Vol. 9 No. 12)
810
Al Mann Golden Digits two people with office machines/calculators on stage, numbers called out and added, two numbers thought of and added, prediction on slate
  • First Method
  • Revised Method
 		Dec. 1974
The Pallbearers Review Vol. 9-10 (Vol. 10 No. 2)
832
Frederick M. Shields Lilith drawing appears on canvas, postcards with famous places and sights
 		1974
Magick (Issue 109)
542
Jochen Zmeck Die J. Z. Anziehpuppe chosen clothes appear on figure on slate
Inspired by
  • Eddie Clever routine
 1974
Das Zmeckt!
27
Faucett Ross Books and Slates Freely chosen word from a book appears on slate
 		1975
Magic With Faucett Ross
108
Al Mann Retrospective excerpts from future Al Mann manuscript on slate effects, part one
  • The Evolution Of Slate Writing
  • 1850
  • 1852
  • Dr. Henry Slade
  • Slade's Impact
  • Slade's Method
  • Truesdell and Slade
  • The W. S. Moses Sitting
  • Eglinton and S. J. Davey
  • 1877
  • 1882
  • 1882
  • 1884
  • 1888
  • Final Notes
Related to June 1975
The Pallbearers Review Vol. 9-10 (Vol. 10 No. 8)
971
Al Mann Retrospective excerpts from future Al Mann manuscript on slate effects, part two
  • The Flap Slate
  • The Baker-Gysel Flap
  • Other Flap Slates
  • Keeler's Baffling Slate Test
  • Spirit Slate
  • Spirits By The Numbers
  • Fourth Dimensional Math
  • Dunninger's Miracle Slate
  • Mental Epic
  • The Mystic Slate
Related to July 1975
The Pallbearers Review Vol. 9-10 (Vol. 10 No. 9)
982
Al Baker, Robert Gysel The Baker-Gysel Flap
July 1975
The Pallbearers Review Vol. 9-10 (Vol. 10 No. 9)
982
Pierre L. O. A. Keeler Keeler's Baffling Slate Test theory by Al Mann
 		July 1975
The Pallbearers Review Vol. 9-10 (Vol. 10 No. 9)
982
Peter Warlock Gap In The Curtain three predictions on slate are correct
Also published here
  • Mode For Mentalists series, 1940s
 Sep. 1975
The Pallbearers Review Vol. 9-10 (Vol. 10 No. 11)
1047
Joseph Dunninger Dunninger's Addition Slates add-a-number slate, flap
 		1975
The Magic of Francis Carlyle
125
Fredric Broder Fortune's Cookies prediction of message from fortune cookies, lot of cookies in a box, several are selected
 		1975
Magick (Issue 129)
641
Gerald Kosky Mass Hypnotism pseudo hypnotism act, audience is apparently hypnotised, things written on slates are different, scarfs are not knotted and cards are different then remembered
 		1975
The Magic of Gerald Kosky
194
Philip T. Goldstein Geometric Shape on Slate suggestion
 		1976
Verbal Control
8
Alan Shaxon Final Epic shaxon's mental epic board
 		1976
Practical Sorcery
38
Al Mann, Harry Faber, Samuel Berland The Spirit of the Faberlands two slates, flapless, apparently showing all four sides empty, message appears on two sides
Inspired by
  • Faberlands' "Spirits?" in "The Sphinx" Vol. 20, No. 3
 1976
Master Slate Secrets — Part I
1
Al Mann Spirits by the Number two slates, flapless, apparently showing all four sides empty, message appears on one side, numbered sides
 		1976
Master Slate Secrets — Part I
5
Al Mann Messages from Babel four seance slate methods, several ungimmicked slates
 		1976
Master Slate Secrets — Part I
8
Al Mann To Read a Question with nine normal slates, wrapped in newspaper
 		1976
Master Slate Secrets — Part I
9
Al Mann Many Voices nine small slates and a bigger one, messages appear on two slates
 		1976
Master Slate Secrets — Part I
9
Al Mann The Uproar nine small slates messages appear on five slates
 		1976
Master Slate Secrets — Part I
12
Al Mann Let it Be Written slate secrets in literature
 		1976
Master Slate Secrets — Part I
13
Al Mann, Henry Slade The Ultimate Slate Test
1976
Master Slate Secrets — Part I
15
Al Mann, J. F. Orrin The 13th Veil normal slate
 		1976
Master Slate Secrets — Part I
17
Stewart James Unique Slate Test
Also published here
  • in "The Sphinx" Vol.29 #1, 1930
 1976
Master Slate Secrets — Part I
18
Al Mann The Flap history of the flap, locking flap, flap designs
 		1976
Master Slate Secrets — Part I
19
Robert Gysel, Al Baker The Gysel-Baker Flap
Also published here
  • in "The Sphinx" Vol. 22 #10, 1923
 1976
Master Slate Secrets — Part I
21
Robert Gysel The Hook Flap
1976
Master Slate Secrets — Part I
21
Al Mann A Magnetic Flap
1976
Master Slate Secrets — Part I
21
Al Mann, E. J. Moore The Cloak of the Unseen camouflage pattern on slate, flap
 		1976
Master Slate Secrets — Part I
22
Al Mann The Telepathic Artist design divination of five people, with slate, flap
 		1976
Master Slate Secrets — Part I
23
Al Mann The Locking Flap Dr. Q slates
 		1976
Master Slate Secrets — Part I
25
Al Mann Multiple Slate Writing with Dr. Q Slates with stand
 		1976
Master Slate Secrets — Part I
25
Al Mann The ESPrit Message chosen ESP sign appears on slate
 		1976
Master Slate Secrets — Part I
26
Al Mann Minute Man's Locking Flap rubber cement coating
 		1976
Master Slate Secrets — Part I
27
Frederick M. Shields Rear-Vision Mirror name of card appears on pocket mirror
 		1976
Magick (Issue 146)
729
Stan Blumenthal 98-Cent Divination ESP symbol appears on business card, invisible ink
 		1976
Magick (Issue 158)
788
Burling Hull Number-Vision Flight spectator writes three-digit number on a slate, performer divines it, palmed diminishing mirror
 		1976
The Amazing World of Mentalism
13
Burling Hull The Invisible Hand Writes writing appears on slate (visibly), Burling Hull Chemical Chalk
Related to 1976
The Amazing World of Mentalism
79
Burling Hull, U. F. Grant "The Spirits Know All" - A Living and Dead Combination name of dead person appears gradually on slate
  • The Grant Method
  • Burling Hull Method
  • Another Hull Materialization
  • Volta Name Appearance
  • The Daring Volta Method
  • Mediums Dead and Alive Discovery
Related to 1976
The Amazing World of Mentalism
82
Burling Hull The Performer Presents a Number Test row of numbers written on slate, a number arrived at by calculation, numbers wiped away and calculated number appears (1089)
 		1976
The Amazing World of Mentalism
86
Burling Hull The "Spirits" Correct a Mistake slate filled with letters, wiped clean, name of chosen card appears on slate
 		1976
The Amazing World of Mentalism
88
Burling Hull A Mind Reading Number Divination number chosen, it appears spelled out on slate
  • With a Flap
  • Without the Flap
  • Another "No Flap" Method
 		1976
The Amazing World of Mentalism
89
Burling Hull Spirits From China Chinese characters appear on slate, performer translates into anything he wants
 		1976
The Amazing World of Mentalism
92
Burling Hull Combination with Dunninger Slater Number Feat combined with visible appearing writing
Inspired by 1976
The Amazing World of Mentalism
94
Burling Hull Thrilling Colored Spirit Paintings Burling Hull Chemical Chalk, visible appearing writing in colors, with forced picture card
 		1976
The Amazing World of Mentalism
94
Peter Wilker Geistertafeln numbered slates
 		1976
Hokus Pokus (Vol. 37 No. 3)
65
Dr. Franklin Matula Rememory! Slate message appears on cardboard, tied with ribbon
 		1977
Magick (Issue 178)
889
Ken De Courcy Die Erbschaft four messages appear on two slates
Also published here
  • The Gen, Dec. 1951
 Mar. 1977
Intermagic (Vol. 4 No. 2)
90
Jochen Zmeck Die J. Z. Mini-Geistertafeln small slate, writing appears on both sides, no flaps, flexible slate surface moves
 		1977
Sechs mal Drei plus Eins
25
Karl Fulves The Isis Slate coding four numbers (or other things) with two lines on a slate
VariationsAlso published here 1978
The Chronicles (Issue 1)
1072
C. L. Boarde Reference Procedures - Variation B on hiding a list of words, with a slate
 		1978
Mainly Mental Vol. 2 — Book Tests
11
Thomas Alan Waters The Psychic Coercion of the Interrupted Schoolboy slate in envelope, first the name of a card appears then a number, flap, Mental Masterpiece gimmick, chalk band-writer
Related to 1979
Mind, Myth & Magick (Issue New Thoughts For Old)
41
Hiram Strait Four-Letter Words four scrabble pieces are selected and a word is formed, prediction on slate
 		1979
Magick (Issue 247)
1233
Karrell Fox An "Epic" Force forcing one from several coins, can be used as final choice in Mental Epic routine
 		1979
Another Book
126
Karrell Fox Colormixtrick performer writes the words RED, YELLOW, BLUE and GREEN with white chalk on slate, they change into colored writing
 		1979
Another Book
175
Karl Fulves Slate Sorcery chapter intro
 		1979
Self-Working Mental Magic
73
Robert Parrish Telltale Slate No. 45, five spectators write favorite tv show on slate, first spectator's one divined
Also published here 1979
Self-Working Mental Magic
73
Robert Parrish Handwriting No. 46, identifying handwriting of five persons
Also published here 1979
Self-Working Mental Magic
75
Karl Fulves Thoughts in Color No. 47, spectators write down favourite car on slate, performer knows who wrote which from a distance
Inspired by 1979
Self-Working Mental Magic
76
Theodore Annemann, Burling Hull Spirit Writing No. 48, message appears on one of two slates, false count
 		1979
Self-Working Mental Magic
76
Karl Fulves Faces and Slates No. 49, four people written on slate, medium can identify a chosen one
 		1979
Self-Working Mental Magic
79
Karl Fulves It's Murder No. 50, word code
 		1979
Self-Working Mental Magic
80
Karl Fulves Hyperspace No. 51, slate under table pressed to table, spectator writes word, it goes through fourth dimension and is now in mirror writing
Related to 1979
Self-Working Mental Magic
81
Karl Fulves, Tony Bartolotta Epic Slate Test No. 53, sum prediction after addition
Also published here 1979
Self-Working Mental Magic
85
Robert Parrish Picture ESP No. 54, slate as mirror
Also published here 1979
Self-Working Mental Magic
87
Bayard Grimshaw Die Blitz-Transpo Tafeln two slates, one with writing by performer, one spectator, they transpose
Also published here
  • New Pentagram, May 1972
 Aug. 1979
Intermagic (Vol. 6 No. 2)
49
Nick Trost Message Cards two cards shown on all four sides which are numbered in the corner, message appears
 		1979
Close-Up Mentalism
11
Tommy Wonder Pocket Slates Routine
Related toVariations May 1980
Pabular (Vol. 6 No. 5)
842
Martin Gardner Euclid's Vanish number of objects drawn on a slate changes from seven to six, sliding part
Variations 1980
Curioser
11
Howard A. Adams Mindevelopmental divination of color, suit, value and complete name of card, using a slate and playing cards
Also published here
  • "Mentalist" 1962
 1980
OICUFESP (Issue 5 - the SON of esp card & mental miracles)
17
Jean Hugard Die Maske Cagliostros blank slates shown, blank piece of paper put in envelope, card selected, all cards appear written on slates, in paper appears a message and pattern with holes, when pattern is placed on slate the correct card is visible through holes
Also published here
  • Hugard's Magic Monthly, Vol. 18 No. 3, 1960
 Nov. 1980
Intermagic (Vol. 7 No. 3)
93
George B. Anderson An Uncanny Divination five names written on a slate
 		1980
Let The Audience Do The Show
14
Thomas Alan Waters Variant Routine answer appears on slate, Double-Locking Addition Slate
 		1981
Mind, Myth & Magick (Issue Scrypt)
176
Thomas Alan Waters Variant Routine (With Dobrin Slate) flap to hide center
 		1981
Mind, Myth & Magick (Issue Scrypt)
178
Al Mann, Dr. Stanley Jaks The Pantograph copying or enlarging an autograph on a slate
 		1981
Phanta-Graphs
11
Johnny Thompson Polish Epic
Inspired by
  • "Mental Epic" (Hen Fetsch)
Related to
  • "Twin Prediction Miracle" (The New Encyclopedic Dictionary of Mentalism, Vo. 2)
Also published here 		1981
Polished Polish Prestidigitation
23
Peter Warlock Das Wicks' Thema time turned back, illustrated with
  • Triumph (cheek to cheek)
  • linking ropes
  • transposing balls in glasses
  • numbered dice
Inspired by
  • "Lost Time" (Charles Wicks, The Magic Wand)
Also published here
  • Pentagram, 1955
 May 1981
Intermagic (Vol. 8 No. 1)
33
Dr. Stanley Jaks Die Klein-Täfelchen-Routine three slates
 		Dec. 1981
Intermagic (Vol. 8 No. 4)
158
Thomas Alan Waters Automanticard spectator turns a card over behind his back, a second spectator is blindfolded and by automatic writing on a slate divines the card
 		1982
Mind, Myth & Magick (Issue Deckalogue)
214
Thomas Alan Waters Elementeerie the four elements are written on a slate by spectator and the slate put in an envelope, three elements are chosen and found to be crossed out on the slate, clear flap
 		1982
Mind, Myth & Magick (Issue Grymwyr)
251
Thomas Alan Waters Blackard fair single card prediction, in glass in front of the blackboard
 		1982
Mind, Myth & Magick (Issue Octasm)
311
Al Mann The Gemini Slate design duplication slate, impression device for design duplications, dated to 1968
 		1982
Cero-Mentics
5
Hen Fetsch Die Mehrfarbkreide performer writes different colors with chalk as gag (RED, GREEN), words then change into correct colors on slates
 		Oct. 1982
Intermagic (Vol. 9 No. 3)
86
Joseph Dunninger The Miracle Slate Test (The Baffling 16 Digit Effect) closing effect, four four digit numbers are added and sum divined, flap
Variations 1983
Dunninger's Act
9
The Lappone Move (with pocket slates) No. 40, message appears on tied slates
 		1983
101 Psychic Tests
12
Al Mann The Spirit Artist No. 41, two picture cards are placed between slates, picture appears on slate and cannot be removed
 		1983
101 Psychic Tests
12
Thomas Alan Waters Dell-epathy spectator writes four-letter word on slate, performer divines it by reading definition from a dictionary
Also published here July 1983
Magick (Issue 321)
1602
Sam Schwartz, Karl Fulves Tips on Slate Technique having an index on the slate or a writing pad, or programmed into a pocket calculator
 		1983
Astrology — The Hidden Force
29
Thomas Alan Waters Wipeout before your eyes as a multiple out
Inspired by 1984
Mind, Myth & Magick (Issue Mynd)
562
Thomas Alan Waters Palimptest subtlety for appearing message on a slate
 		1984
Mind, Myth & Magick (Issue Spyryt)
576
Thomas Alan Waters Tranceplant hallucination theme, spectator writes word on a slate, word is selected from a book and it matches word on slate but spectator complains, that this is not the word he wrote down, both words are found on a prediction
 		1984
Mind, Myth & Magick (Issue Thynk)
625
Thomas Alan Waters, Stanley Collins Kineslate gag divination, won turns into one on a slate
 		1985
Mind, Myth & Magick (Issue Fynys)
748
Jack Miller, Burling Hull Slate Display Sequence done with cardboard
Related to 1985
Self-Working Paper Magic
97
Eric DeCamps Slate of Hand card chosen, name of it appears on one of two ungimmicked small slates, card itself travels between slates
 		1985
The Magic of Eric DeCamps
26
Valerie Nielsen Dark Side of the Mirror! lipstick writing appears on mirror, mirror inside envelope
 		Feb. 1986
Magick (Issue 365)
1821
Karrell Fox "Company Spirit" company name appears on spirit slates
 		1986
For My Next Trick...
156
Die Mental-Epic-Tafel idea for Monte Cristo deck
 		Dec. 1986
Intermagic (Vol. 12 No. 3 & 4)
173
Rudolf Braunmüller Die Mental Epic Tafel intro
 		Dec. 1986
Intermagic (Vol. 12 No. 3 & 4)
174
Das gibt es doch nicht!
Dec. 1986
Intermagic (Vol. 12 No. 3 & 4)
174
Der Illustrierten-Test
Dec. 1986
Intermagic (Vol. 12 No. 3 & 4)
176
Eugene Burger The Halloween Spirit ten cards with names, one chosen, name appears on mini slates
 		1986
Spirit Theater
143
Roberto Giobbi Nepomuk name of chosen card appears on slate, flap with card back on one side
 		1987
Nepomuk
5
Peter Wilker, Christoph Borer Die Wonder-Tafeln two slates, multiple things appear on various sides
Inspired by 1987
Magische Blätter (Vol. 1 No. 9)
1
Bruce Cervon Pocket Slate Routine "Prediction" appears
 		1988
The Cervon File
138
Juan Tamariz The Slates magazine test with slates
Variations 1988
The Magic Way
69
Steve Beam Armchair Painter toy letters on a slate forming a message, some fall down and forming name of selection
 		1988
The Trapdoor — Volume One (Issue 25)
428
Docc Hilford Teacher's Pet name of teacher is divined, using slate
 		1990
Keeping The Center
23
Steve Dusheck Additional Thoughts mental epic idea
 		1991
Dusheck's Thumb Tip Magic
38
Karrell Fox Confuscious Say routine in which name of selection appears on miniature spirit slates
 		1991
Goodies
23
Ali Bongo Tafel mit zwei Botschaften slate wrapped in handkerchief, writings appear on both sides, similar to Instant Art
Related to 1991
Ali Bongo
14
Thomas Alan Waters Dell-Epathy spectator writes four-letter word on slate, performer divines it by reading definition from a dictionary
Also published here 1993
Mind, Myth & Magick (Issue Magazine Miscellanea)
448
Karl Fulves Spook Slate small slates, bills cling to them and move, then bill prediction appears on one slate, off-beat use of flap
Related to 1993
Verbatim (Issue 9)
114
Harry Anderson Dybbuk bill burnt in envelope appears between two slates, corner matches, numbers add up to last four digits of serial number, message appears on slates
 		1993
Wise Guy
45
Karl Fulves Spook Slate two small slates are initialed, headline prediction by performer and page number by spectator, sealed in envelopes, one kept by spectator, several days later: headline on chosen page is predicted on slate
Related to 1994
Verbatim (Issue 10)
144
Tommy Wonder And Now a Brief Message four messages on all sides of two small slates appear, two flaps
Related to 1996
The Books of Wonder — Volume 2
86
The Spirit Slates Chinese characters appear on slate as gag, performer "translates" into selection
 		1996
The Fred Braue Notebooks (Issue 7)
20
Karl Fulves Voice Print freely chosen card, deck in glass, message appears on slate to locate card
Related to 1996
Underworld (Issue 4)
53
Slate Display Sequence two slates
Also published here
  • Linking Ring, 1928
 1996
Underworld (Issue 4)
54
Richard Bartram, Jr. Slated small slates, non-locking
 		1997
Trephine
143
Bruce Bernstein Getting Ahead of Myself mental epic, with insurance where last word is predicted
Also published here 1997
Psi-Kicks
15
Jack Avis Slate of Hand card of selection appears on one of two miniature slates in chosen chalk color
 		1998
Vis à Vis
115
George G. Kaplan Der Geistertafel-Magazin-Test two slates shown and placed aside, six cards chosen to locate page in magazine, headline appears on slates
 		1999
Intermagic (Vol. 23 No. 2)
71
Nate Leipzig False Slate Display showing all four sides of two slates while hiding one
 		1999
Intermagic (Vol. 23 No. 2)
72
Hen Fetsch, Peter Warlock Klapp Klapp two miniature slates, two designs by spectator and performer transpose, flap lapped
 		1999
Intermagic (Vol. 23 No. 3)
116
Paul Curry A Period of Darkness selection in the deck and a signed slate turnover in the dark, while spectator secures them on the table
Also published here 2001
Paul Curry's Worlds Beyond
258
Karl Fulves, Joseph Dunninger, Theodore Annemann, Peter Warlock On One-Ahead & Mental Epic comments, quotes and references
Related to 2001
Latter Day Secrets (Issue 6)
173
Christoph Borer BOE spectator's name written on slate transforms into chosen word from a newspaper
Also published here 2002
Anam Cara auf Zirkeltour 2002
16
Peter Warlock Miracle Slate sliding section on slate, part of slate covered with paper, can be filled in from behind for any prediction
Related to 2002
Latter Day Secrets (Issue 7)
230
Joseph Ovette The Egg Plant "egg plant" constructed on blackboard from silks, eggs become real eggs
Also published here
  • Eggstraordinary Ways of Eggshibiting with Eggs, p. 9
 2002
The Encyclopedia of Egg Magic
55
Al Baker Undercover drawing duplication, mirror (!)
Also published here 2003
The Secret Ways of Al Baker (Issue Al Baker's Second Book)
105
Al Baker Seeing Through Solid Matter numbers written on slate which is wrapped up, assistant can name total and numbers
Also published here 2003
The Secret Ways of Al Baker (Issue Magical Ways and Means)
214
Al Baker The Baker Slate Easel for appearing writing
Also published here 2003
The Secret Ways of Al Baker (Issue Magical Ways and Means)
221
Al Baker The Number and Book Test numbers on billets in changing bag
Also published here 2003
The Secret Ways of Al Baker (Issue Magical Ways and Means)
224
Al Baker Living and Dead Test Plus with assistent, number total, code
Also published here 2003
The Secret Ways of Al Baker (Issue Magical Ways and Means)
236
Al Baker Kiddie Party Slate name of two children appears on slates, preshow, flap slate contruction
Also published here 2003
The Secret Ways of Al Baker (Issue Magical Ways and Means)
262
Al Baker Spirit Slates - Master Addition Slate locked flap
Also published here
  • marketed 1929
 2003
The Secret Ways of Al Baker (Issue Instructions)
578
Al Baker Spirit Slates - Lock Spirit Slate slate with moving flap
Also published here
  • marketed 1940
 2003
The Secret Ways of Al Baker (Issue Instructions)
579
Al Baker Slate Trick
2003
The Secret Ways of Al Baker (Issue Notebooks)
737
Alexander de Cova 16 Digits sum prediction with slate
Inspired byAlso published here 2003
Gambit
5
Kerry Pollock Mental Epic Routine
Feb. 2003
Magic (Vol. 12 No. 6)
89
David P. Abbott Best of All Slate Writing Introduction and Epilogue by Teller
several slates wiped clean, message for a spectator appears on one
 		Aug. 2004
Genii (Vol. 67 No. 8)
69
Docc Hilford Raven's Slate writing can be heard from slates, name appears
  • The Slate Move
  • Sounds of Writing
 		2005
Raven's Slates
5
Christoph Borer Geistertafeln spectator's name written on slate transforms into chosen word from a newspaper
Also published here 2006
Compilation
118
Jack Avis A Tale of Two Slates two miniature slates have writing with two colors, chosen color changes into name of selection
Inspired by 2006
Rara Avis
197
Mick Ayres Subliminal Message words on white board are erased, some letters remain and form name of selection
Inspired byRelated to 2006
Semi-Automatic Card Tricks — Volume 6
17
Mick Ayres Cue-Cards words on whiteboard are erased, some letters remain and form other message, humorous routine
Inspired by 2006
Semi-Automatic Card Tricks — Volume 6
18
Docc Hilford N3wm3ro! "Newmero!", end sum also predicts name of spectator
Inspired by 2006
Mestha — The Book of Numbers Vol. 1
34
Christoph Borer, Krabat, Mireille, Nadia "Lou" Schürmann Toro zodiac prediction, written on slate, prediction is turned over and correct zodiac is found, when performer erases slate with sponge, transformation of the word
Related toAlso published here 2007
Seminarnotitzen 2007
11
Diamond Jim Tyler Ghost Writer "NO" gag with named number, number later appears on bill when it is heated with a lighter
 		Dec. 2007
Genii (Vol. 70 No. 12)
35
Allan Slaight ESP-ionage three dice and list of letter combinations, a coincidence/prediction happens, presentation for Stewart James's effect
Inspired byAlso published here
  • The James File, 2000
 2008
Spins & Needles
146
Jim Steinmeyer Timmy & The Spirit Slates "A Ghost Story with Spirit Slates"
words appear on slates to a told ghost story, ambigrams
 		2009
Technique & Understanding
103
Karl Fulves One-Ahead Systems
  • As a Revelation
  • As a Prediction
  • Mental Epic
  • No-Gaff Epic
Related to 2010
Prolix (Issue 8)
537
Spirit Writing making writing look like shaky spirit writing
 		2011
Prolix (Issue 9)
569
Karl Fulves Epic Outcomes "No Force 'Mental Epic'"
methods without force to clean up
  • Reading The Results
  • Mental Epoch
  • Copy Paper
  • Me Thinks
Related to 2011
Xtra Credit (Issue 9)
61
Christoph Borer, Krabat, Mireille, Nadia "Lou" Schürmann Toro zodiac prediction, written on slate, prediction is turned over and correct zodiac is found, when performer erases slate with sponge, transformation of the word
Related toAlso published here 2012
Endlose Möglichkeiten
10
Christoph Borer Die Verwandlung der Schrift message transformation, thorough study and lots of ideas
Related to 2012
Endlose Möglichkeiten
14
Max Maven, T. Page Wright, William Larsen The Three Slate Test question written on one of three questions is divined, with additional thoughts by Max Maven
Inspired by
  • "The Three Slate Test" (Sphinx, Aug. 1929)
 Oct. 2012
Genii (Vol. 75 No. 10)
30
T. Page Wright, William Larsen From the Notebook gag message appears on slate
Also published here
  • "From the Notebook" (Genii, Feb. 1939)
 Oct. 2012
Genii (Vol. 75 No. 10)
32
Bruce Bernstein Getting Ahead of Myself mental epic, with insurance where last word is predicted
Also published here 2012
Unreal
55
Alberto de Figueiredo Más Allá chosen word from magazine appears on slate
 		2013
Magia Demente
73
Alexander de Cova Eine Routine mit den Geistertafeln name appears on slate from scrambled letters
Inspired byAlso published here Oct. 2013
New Avantgarde Magic (Issue 11)
5
Alexander de Cova Addendum zu den Geistertafeln double-writing chalk into two colors
Also published here Nov. 2013
New Avantgarde Magic (Issue 12)
16
Michiaki Kishimoto Mind Sketchbook mental epic using large sketchpad, moving part
 		2013
Japan Ingenious
120
Dr. Stanley Jaks Miniature Metathesis symbol on slate changes to other
 		2014
The Incredible Dr. Jaks
191
Alexander de Cova Die Geistertafeln name appears on slate from scrambled letters
Inspired byAlso published here 2015
Burners — Vol. 1
197
Alexander de Cova Doppelschreiber-Kreide double-writing chalk into two colors
Also published here 2015
Burners — Vol. 1
202
Alexander de Cova 16 Digits sum prediction with slate
Inspired byAlso published here 2015
Burners — Vol. 2
158
John Lovick Little House on the Scary illustration selected from book appears on slates
Inspired by 2016
The Performance Pieces & Divertissements of the Famous Handsome Jack, etc.
167
Christoph Borer Die wichtigste aller Fragen spirit slates, symbols to name, storytelling presentation, fairy tale
 		2016
21
205
Gene Anderson Picto Transpo performer draws spectator and vice versa on poster boards, signed pictures change places in envelopes
  • A. Performance
  • B. Introduction
  • C. Set-up and handling
  • D. Gene's script
  • E. Props
Inspired by 2016
Gene Anderson — The Book
17
Bill Abbott Bill's Phase 3 two spectators select a card from half the deck each that is in their pockets, divined by performer
 		2017
The Doors of Deception
220
Alexander de Cova Präsentationsideen presentational ideas for chair test
  • Denkhüte
  • Regiearbeit
  • House of Cards
  • The More Frequent Miracle
  • Premonition
  • Sherlock Holmes
  • Numerologie
  • Banker's Dream
  • Mental Epic
 		2017
Ultimate Chair Routine
39
Johnny Thompson Polish Epic
Also published here 2018
The Magic of Johnny Thompson (Issue 2)
163
Eugene Burger Dr. Slade & The Night Visitors presentation for slate routine in which writing appears on all four sides of two slates
  • Interview Excerpt
  • Performance
  • Method
  • Discussion about Presentations
 		2019
Eugene Burger: From Beyond
179
John Carney Great Leon's Haunted Doll House doll house used for seance effects
  • "Spiritual" Inspiration
  • The House and Hookup
  • The Effects
    • Jump-Rope
    • Milk-Go Glass
    • School Slate
    • Doll's Hand
    • The Wind-up Monkey
    • Flash of Light
    • Gimmicked Frame/Floating Ghostly Face
    • The Tray
    • Wand/Thread Hooking Up
  • The Routine
Inspired by
  • "Miniature Haunted House" (Leon, manuscript)
 2020
Sleights & Insights
222
Ghislain Lavoie It's Nothing slates shown empty except word "NOTHING", changes into "THANK YOU"
 		2022
Conundrum (Issue 1)
89
Christoph Borer, Oliver Scheer Todsünde und Tugend word on two slates changes into name of freely chosen card with deadly sin or virtue
 		2023
Inventum
19