Electrode for Electrolyzer, 2 x 40mm, Alternate Model Subcategory_Eye Protection this polished-wood test tube rack

this polished-wood test tube rack holds six tubes up to 22 mm and supports both storage and inverted drying

5mm copper wire on a clear acrylic base support side-by-side comparison of how loop count multiplies the on-axis magnetic field at fixed current

lets students compare how line density per unit length controls the spacing of the resulting interference pattern

Multiplate 2V 45Ah lead-acid accumulator built for heavy current draw

Electrode for Electrolyzer, 2 x 40mm, Alternate Model Subcategory_Eye Protection this polished-wood test tube rackCopper anode and cathode pair pre mounted in a rubber bung, sized for the student electrolyzer to study electroplating, copper sulfate refining, and reactive metal electrolysis behavior.