Joule's Calorimeter Set Precision heating element Custom made foam plastic heat insulation Spare cap included for when an experiment does not require heat Stirrer and stopper included No thermometer included Outer vessel plastic 110 x 100mm Inner vessel aluminium 70 x 65mm Precision heater is 12W. It is a 1% resistance tolerance 2W resistor conveniently mounted on nickel plated brass poles by means of a transverse screw
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