University Pattern — Comprising two units, each with double walled joint-less brass vessels richly nickel plated and highly polished with non-conduction cover through which is suspended a 7.5×5cm size copper calorimeter. A second covering protects the top of the calorimeter from dust and heat losses. The annular spaces between the double walled vessels are connected by T-Tubes, which enable water at same temperature to be kept circulating through them. Superior quality