US$ 28.70
this Van de Graaff generator delivers spark-producing high-voltage demonstrations in the physics classroom
dermal papillae
8mm rod attachment and a centered 50mm aperture together hold a lens square against an optical-bench rail for repeatable refraction
3g nickel-plated steel balls on a red wood base
each autoclavable with raised graduations
Cylindrical Conductor, 12.5 x 5cm Ceramic Labware_Crucibles this Van de Graaff generatorMid sized brass cylinder on an ebonite insulated base, sized so that students can compare its uniform curvature surface charge against sphere and cone partners in the conductor set.
US$ 28.70
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