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| 1 |
BAR BREAKING APPARATUS
To show the forces which can be exerted during
thermal expansion or contraction. Including a heavy cast iron frame
340 x 120 x 100mm with slotted end pillar 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 with ten breaking bars.
Cat No 1691 |
|
£21.43 ea. |
Cat No 1691/1 |
Spare pack of 10 cast iron bars (5x6mm) |
£3.57
ea. |
|
| 2 |
EXPANSION APPARATUS
Comprising two cast iron uprights, height
18cm linked by two nickel plated rods supported on expansion bar,
length 38cm fixed to one upright and resting on a friction pointer
placed at the other. With scale reading 0 to 90 degrees. With one
each aluminium, brass and iron expansion bars.
|
| 3 |
METAL BLOCK CALORIMETER
For the experimental determination of the
specific heat capacity of different metals. Cylindrical metal blocks,
mass 1kg adjusted to an accuracy of ±2%. Each block is drilled
with two holes, a large central hole, 12.5mm dia. for a special
immersion heater and a smaller hole, 7.5mm dia. for thermometer
or temperature sensor.
| Metal |
Dia |
Height (mm) |
Specific Heat (mm) |
Cat No |
|
| Aluminium |
76 |
84 |
878 |
1839/A |
£12.50 ea. |
| Mild Steel |
44 |
89 |
480 |
1839/B |
£8.04 ea. |
| Copper |
44 |
79 |
381 |
1839/C |
£15.18 ea. |
| Brass |
44 |
84 |
368 |
1839/D |
£12.50 ea. |
|
| 4 |
IMMERSION HEATER FOR THE ABOVE
|
| 5 |
RING AND BALL, GRAVESANDE
An apparatus for demonstrating thermal expansion,
comprising a captive brass ball secured to a mounted brass ring
by a chain.
Ring mounted on rod with wooden handle.
Cat No 1675 |
|
£3.76 ea. |
Cat No 1675/1 |
As above but ball dia. 19mm |
£2.50
ea. |
|
| 6 |
RING AND BALL, GRAVESANDE
An apparatus for demonstrating thermal expansion.
Fitted on two separate handles.
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