Heat
Showing 37–48 of 64 results
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IMMERSION HEATER
★★★★★A fully sheathed miniature 12V 50W (nominal) heater which has been specially developed for use with the block calorimeters. The element is housed in a 150mm stainless steel tube. The Electrical is via 180mm flying leads with heat resisting insulation. -
INGEN-HAUSZ’S APPARATUS
★★★★★Consists ofa metal tank 150 x 90 x 100mm Lx B x H has six apertures on one side through which 100 x 3mm length x dia metal rods of copper, brass, aluminium, iron, zinc and lead pass. -
INGEN-HAUSZ’S APPARATUS
★★★★★Comprising six equal rods of copper, iron, lead, brass, Zinc and aluminium, each 130 x 3mm diameter, mounted in corks with their lower ends in a tank 210 x 75 x 75mm. -
IRON FLASK FOR FREEZING
★★★★★For demonstrating the expansion of water on freezing. A cast iron bottle 100 x 25mm approx. which can be sealed by means of a well fitting screwed in iron plug. -
JOULE’S CALORIMETER
★★★★★For determining of specific heat capacity of liquid by electrical method. Consisting of a nickel plated copper vessel 75 x 50mm size with outer vessel of teakwood fitted with Bakelite top with hole for thermometer. The terminals connected to a coil of wire (for current upto 3 amps) are fitted. Complete with stirrer and outer teakwood vessel but w/0 thermometer. -
KINETIC THEORY MODEL
★★★★★The apparatus consists of a clear perspex tube 250mm long x 50mm outside diameter provided with a light, freely sliding expanded polystyrene piston and a loose fitting metal cap. -
LATENT HEAT OF STEAМ АРРАRATUS
★★★★★Comprising a thick brass calorimeter, a bung with steam inlet and outlet glass tubes, a felt cover. Complete with 2 litre tin plate boiler with bung to take the steam tube which connects to the calorimeter. -
LEE’S THERMAL CONDUCTIVITY APPARATUS
★★★★★For determining the relative conductivity of bad conductor material consists of cylindrical slab of brass 11.5cms. In dia and 12mm thick drilled to take thermometer. On this rests a 5cms deep steam chest of the same dia, with inlet and outlet tubes of steam. The apparatus is suspended by strings attached to the lower cylinder with thermometer. On retort stand with rectangular base 200 x 125mm, and rod 600mm long. Complete with one each disc specimens, glass and plastic 3mm and 1.5mm thick respectively, for determining the conductivity of liquids. -
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. -
LINEAR EXPANSION APPARATUS
★★★★★The investigation of rod is measured by a micrometer screw. The brass tube is 50cms x 2.5cm C.P. With inlet and outlet tubes for steam and opening for thermometer reading to 1°x 110°C. The binding posts are provided on the supports for connecting a bell, buzzer or galvanometer for indicating the exact point of contact of the screw. Provided with three rods of brass, iron and aluminium without belland battery. -
MERCURY FOR ABOVE 500g.
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METAL BLOCK CALORIMETER
★★★★★For the experimental determination of the specific heat capacity of different metals. Cylindrical metal block, mass 1 kg. Adjusted to an accuracy of ± 2%. Each block is drilled with two holes, a large central hole, 12.5mm diameter, for a special immersion heater andasmaller hole, 7.5mm diameter, for a thermometer of Copper, Brass, Aluminium & Iron.