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Electricity
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51478 Induction Coil
Box form, coils are wound from insulated copper wire and well
insulated by wax, with condenser, in polished wooden case, with
reversing switch and removable discharge points.
A B C D E
Spark lenght mm 5 10 20 25 50 |
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51479 Metre Bridge (
Carey-Foster)
With 4 gaps, nickelled brass strips and connecting pieces, with
4 mm socket terminals, fitted on wooden base. Wooden scale
graduated 0-100 cm x 1 mm. With knife edge jockey.
51479A Metre Bridge ( Carrey-Foster )
Same as No. 51479 but with 50 cm scale. |
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51480 Knife Edge Jockey
With metal knife edge mounted in insulated handle 9 x 1.2 cm and
1 metre lead with 4 mm plug. |
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51481 Safety knife
Jockey
Specially designed for the protection of galvanometer by
introducing a high resistance which may be shorted out. Consists
of a plated brass knife edge, sliding against a spring in an
insulated pipe with a high resistance, with terminal at the
upper end. |
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51482 Potentiometer
Consisting of wooden base with one wire 1 meter long connected
to plated brass blocks. Fitted with 4 mm socket terminals.
Wooden scale graduated 0-100 cm x 1 mm. With jockey No.
51482A Potentiometer
Same as No. 51482 but with 4 wires, each 1 meter connected in
series with jockey No. |
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51492 Busen's
Eudiometer
With Platnium electrodes fused at the closed end of graduated
glass tube of 50 ml. |
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51493 Voltmeter ( Cup
Form )
Metal fitting, Platnium electrods, with two graduated test tubes
10 ml. Mounted on wooden base with terminals.
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51494 Hoffman's
Voltmeter
Of glass, having two connected limbs, graduated for 50 ml,
intergal with resorviour tube and funnel shaped bulb, with a
stopcock at of each limb. Without electrode and metal stand. |
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