Copper-Iron Thermopile Lab Supplies_Tongs showing equal pressure transmission across

showing equal pressure transmission across different piston areas

For driving student-built electronics and optics circuits

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

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

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

Copper-Iron Thermopile Lab Supplies_Tongs showing equal pressure transmission acrossSeven junction copper and iron thermopile from four 130mm wires of each metal, the series arrangement amplifying the Seebeck voltage for radiant heat detection experiments.