3 entries in Ball / Floatation / Miscellaneous
  
Creators Title Comments & References Source Page Categories
H. F. C. Suhr Die Aufhebung der Schwerkraft metal ball with holes through it, slipped onto glass rod and floats up and down on itRelated to Der Zauberspiegel (Vol. 3 No. 10) 151
Karl Fulves Zero Gee Lunaball (scientific toy), light metal sphere with magnetic outer surface, close-up levitationRelated to The Pallbearers Review Vol. 9-10 (Vol. 10 No. 3) 841
Harald Kurz O - Oper presentational idea for using floating ball in opera Hardcore 35