Replica of Joule's water friction apparatus (calorimeter), 1849. Paddle wheel apparatus for measuring mechanical equivalence of heat. Replica of Joule's Water-Friction Apparatus (Calorimeter), 1849 1849
Display picture showing Joule's original apparatus for determining the mechanical equivalent of heat. Display picture showing Joule's original apparatus 1800-1899
Replica of apparatus used by Joule: two copper cylinders ('receivers') and a waterbath, for the measurement of the work due to the expansion of air, made by the Science Museum workshops, London, England, 1931. Main body has cut-out section, with removable cover. Replica of Joule's Calorimeter Receivers, 1844 1931