Electrode for Electrolyzer, 2 x 40mm Subcategory_Test Tubes Long-focal double-convex glass lens at

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

Demonstrates inertial mass independent of gravity through a spring-steel oscillating platform with two 130 by 50mm trays

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.