Thermal Conductivity of Copper, Searle's Apparatus -HLSI
Cylindrical copper rod about 300mm. length 25mm. diameter, one end containing a steam chamber connected to inlet and outlet tubes, other end of copper rod has cavity connected cia thermometer pockets to water inlet and outlet tubes. Through two thermometers support tubes 75mm. apart are inserted in the rod for finding the temperature at two points.Fitted in teak wood polished case packed with felt with removable front, without thermometers.