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George III's glass sphere

1761

Ivory sphere, 6oz troy, with 2 brass hooks

Glass sphere on a stand

1750

Glass sphere with brass collars

1800-1899

High pressure sphere to contain gaseous nitrogen

1964

Brass sphere on an insulating stand, with two close-fitting hemispheres on insulating handles; for showing that charge resides on the outside of a conductor. (Handle missing from one hemisphere. The stand does not appear to match the sphere

Brass sphere on an insulating stand

1900-1980

Pair of brass spheres on insulating stands for demonstrations in electrostatics

Pair of brass spheres on insulating stands

1900-1980