Copper-Iron Thermopile Lab Supplies_Tongs this ten-piece brass hooked weight

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

reconfiguring the demonstration meter as a low-voltage voltmeter for single-cell and battery-pack readings

this hydrometer ships in a hard plastic protective case

sized to mount alongside a tone generator for converting electrical signals into audible tones during sound-wave demonstrations

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

Copper-Iron Thermopile Lab Supplies_Tongs this ten-piece brass hooked weightSeven junction copper and iron thermopile from four 130mm wires of each metal, the series arrangement amplifying the Seebeck voltage for radiant heat detection experiments.