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GP-382.1 CONSTANT LEVEL TANK Comprising a brass 100 x 75mm dia with 3 tubes for water inlet, outlet and overflow with a bosshead and stand.  GP-385.1 CONVECTION TUBE To show convection of heat in water, comprising a rectangular glass tube 200 x 350mm of 20mm glass tubing. The short side having a funnel for filling.  GP-386.1 VENTILATION APPARATUS Comprising a metal box 250x75x75mm length x width x height with a sliding glass front and 2 detachable glass chimneys mounted in clips. Candle holder are provided under each chimney.  GP-388.1 LESLIE’S CUBE For showing that different surfaces radiate heat at different rate. Made of tin plate 120mm side having a top opening. The vertical faces of the box are blackened dull, blackened bright, white and bright tin.  GP-377.1 CONTINUOUS FLOW CALORIMETER For determining the specific heat of water or similar liquid. It consists of glass tube 100mm long with heating element, electric wire, 2 screw terminals are provided at the ends of the tube for electric supply. The horizontal tube is connected by means of rubber bungs to the inlet and outlet system. Each having a vertical expansion to accommodate thermometer. A stream of water is made to flow through the glass tube and heated by the spiral by passing electric current. With the help of an adjustable constant boil tank, the rate of flow is kept constant. The rise in temperature of water is measured by two thermometers. The whole apparatus is mounted on a polished wooden base approx. 625 x 130mm size. Supplied with thermometer. Page : 1 | 2 | 3 |