Description
Long-focal double-convex glass lens at 75mm diameter and 500mm focal length
DC to 3 phase AC variable frequency inverter
providing the high-turns leg in step-up voltage demonstrations
this silicone-belt Van de Graaff generator demonstrates charge conservation
Electrode for Electrolyzer, 2 x 40mm Subcategory_Test Tubes Long-focal double-convex glass lens atIron anode and cathode pair fitted into a rubber bung for the student electrolyzer, used to compare reactive metal electrolysis behavior against carbon and platinum in the same apparatus.
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