Copper-Iron Thermopile Lab Supplies_Tongs and electromagnet to map mechanical/electrical/light/heat

and electromagnet to map mechanical/electrical/light/heat conversions

showing equal pressure transmission across different piston areas

sized to accept a bell jar for atmospheric-pressure and vacuum demonstrations

holding twelve tubes up to 22 mm diameter for classroom and professional bench setups

this ten-piece brass hooked weight set pairs five 50-gram and five 25-gram pieces with retractable hooks on both ends

Copper-Iron Thermopile Lab Supplies_Tongs and electromagnet to map mechanical/electrical/light/heatSeven junction copper and iron thermopile from four 130mm wires of each metal, the series arrangement amplifying the Seebeck voltage for radiant heat detection experiments.