US$ 130.00
Engineered to produce a hotter
this classroom Van de Graaff kit demonstrates charge conservation
Demonstrates Newton's first law by yanking a metal card from beneath a steel ball
cerebellum
Replacement Gold Leaves for Electroscope, 6-Pack Physics_Electricity & Magnetism Engineered to produce a hotterSix replacement gold leaves cut to fit the standard gold leaf electroscope, supplied in a protective case so spare leaves stay flat and undamaged until installation.
US$ 130.00
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