Showing 1–12 of 35 results

Absolute Expansion Of Mercury Apparatus, Dulong & Petit

Description

To determine the co-efficient of absolute expansion of mercury. Glass tubes with vertical limbs contained within glass jackets approx. 460 x 25 mm height x diameter are closed by bungs and fitted with inlet and outlet tubes. Upper ends of these vertical limbs are angled on emergence from the jackets to produce two short, adjacent limbs placed against a silvered glass scale 0 to 12 cm x 1 mm. Mounted on stand 610 x 230 mm, height x width. Overall height 750 mm approx. supplied without mercury.

Aluminum Calorimeter, with wooden box

Description

Polished aluminum container placed in an outer wooden case with thermometer, plastic top fitted with two terminals for heating coil and a hole for thermometer.

Ball & Ring GRAVESANDE

Description

Gravesende's mounted in rod with handle, ball with chain. Cold ball passes through the ring but does not pass when heated.

Ball & Ring seperate

Description

Heavy duty, both ball and ring are mounted on separate handles. When cool, the 25 mm brass ball passes easily through the matching brass ring; when hot, it won't go through.

Ball & Ring with stand

Description

Gravesende's ring mounted on tripod stand, ball with chain. Cold ball passes through the ring but does not pass when heated.

Bar & Gauge

Description

To illustrate expansion of metal on heating and contraction on cooling, with steel bar of length 100 x 10 mm and plated brass gauge with a cutout to just accommodate the bar and two holes through which the bar passes when cold.

Bar Breaking Apparatus

Description

A heavy cast iron stand slotted to carry a stout iron bar, with ten cast iron breaking bars. Comprising a heavy cast iron frame 340 x 120 x 100 mm with slotted end pillars to carry a stout iron bar. The bar is threaded at one end for a large tensioning nut and has holes at the other end to accommodate the cast iron breaking bars. Supplied complete with ten breaking bars.

Bi Metallic Strip

Description

Demonstration Apparatus for Illustration of Thermoexpansion. A 12 V Halogen bulb is fitted below the bi-metallic strip. When heated the strip bends upward and breaks the circuit.

Block Calorimeter

Description

Metal, for experiments on specific heat of different metals, cylindrical metal blocks 1 Kg ± 2%. Each block has a central hole for a special immersion heater and an offset hole for Thermometer.

Calorimeter copper

Description

Copper calorimeter 75 x 50 mm with felt insulation, outer vessel of 100 x 65 mm size with a plastic lid having holes for thermometer and stirrer. A thermometer holder is fixed to the outer vessel. Complete with stirrer.

Calorimeter Set

Description

Consisting of a joint less copper calorimeter 75 x 50 mm on rubber supports, spun outer copper vessel of 100 x 75 mm diameter copper lid for outer vessel with central tubule for thermometer and slit for copper stirrer with a looped copper stirrer for the inner vessel.

Calorimeter Stirrer, Aluminium

Description

Size 150 x 48 mm, 3 mm wire, with plastic handle at upper end of stirrer and loop at bottom. In 3 mm aluminium wire, with plastic handle at upper end of stirrer and loop at bottom. 150 x 48 mm .