Accession No

6866

Brief Description

variable resistor, by Gambrell Brothers Ltd., English, 1900-1920

Origin

England; London

Maker

Gambrell Brothers Ltd.

Class

electrical

Earliest Date

1900

Latest Date

1920

Inscription Date

Material

wood; metal (brass); plastic (ebonite and one other)

Dimensions

length 154mm; breadth 151mm; height 132mm

Special Collection

Provenance

It is recorded in the Cavendish Laboratory's 1894 alphabetical catalogue of apparatus on p.175.

Inscription

‘Gambrell Bros. LTD. No 3010’ (on top)

Description Notes

Square wooden box with ebonite top secured by brass screws. Two threaded brass terminals, plastic knob with brass pointer moving over scale numbered 0 - 10 by 1 and marked ‘100,000 OHMS’.

Complete

References

Events