Resistance Box

Kelvin and James White Limited, Manufacturer

Circa 1902
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Maker and Role
Kelvin and James White Limited, Manufacturer
Production Date
Circa 1902
Wooden box with a hinged lid on top. The box contains a meter for measuring insulation resistance for tramway underground cables. Meter consist of a scale under a glass plate. Behind is a leather strap, with a rotating mechanism behind. To the left are 2 switches and an oval knob with electrical cords extending from it.
Processed Material/Metal
Processed Material/Metal/Alloy/Copper Alloy/Brass
Signature/Marks and Type
Lord Kelvin's Patents / Testing Set No. 307 / Kelvin & James White Ltd / Glasgow & London. Engraved
Meter for measuring insulation / resistance tramway underground / cables. Lirca 1902. / Used Hobson St,. Power Station / Auckland Hand-written
Accession No
Credit Line
Kelvin and James White Limited. Circa 1902. Resistance Box, 2006.33. The Museum of Transport and Technology (MOTAT).

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