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.
Copper calorimeter of 75 x 50 mm resting on felt pad inside wooden polished box provided with a brass nickel plated thermometer holder and copper stirrer.
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.
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.
A 500 mm long metal rod is supported in a plated brass tube with three tubules for steam inlet, outlet and thermometer.
The tube is mounted on a stand with an adjusting screw at one end and a micrometer screw reading to 0.01 mm on the other, with terminals for connecting a bell or galvanometer to indicate contact.
With copper, brass and iron test rods but without thermometer.
Nickel plated copper calorimeter of 50 x 75 mm lagged and enclosed in an outer vessel of 75 x 100 mm size, with cover having terminals, a heating coil suitable for 3 – 6 V supply and holes for thermometer and stirrer.
With stirrer but without thermometer.
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