300 mm square.
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For demonstrating that an electrical charge resides on the external surface of a conductor. Net with cord on insulating pillar with metal tripod base. Overall height 350 mm approx.
Rod Glass for Physics Lab With rounded ends; 300 x 10 mm.
Biots Apparatus for Physics Lab is a spherical conductor on insulating stand with insulated handle, to show that electrostatic charge resides on outer surface
Sphere : made of brass, nickel plated. Mounted on stand with metal tripod base, with a 5 cm wide opening at the top.
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