Joule-s-Calorimeter-Rapid-PH20175-p-A-Joule-s-Calorimeter-for-experimenting-with-the-conversion-of-electrical-energy-into-heat-energy-The-calorimeter-consists-of-a-nickel-plated-copper-outer-vessel-with-a-lagged-copper-inner-vessel-The-cover-has-terminals-for-the-3-to-6V-heating-coil-a-built-in-stirrer-&-a-hole-for-a-thermometer-to-record-the-temperature-changes-p-Rapid-Joules-Calorimeter