Accession No

4316

Brief Description

galvanometer, moving coil, pointer type, by Cambridge and Paul Instrument Company Ltd., English, 1920

Origin

England; London

Maker

Cambridge and Paul Instrument Company Ltd.

Class

electrical

Earliest Date

1920

Latest Date

1920

Inscription Date

Material

metal (brass); plastic (ebonite); glass

Dimensions

breadth 110mm; length 120mm; height 55mm

Special Collection

Cambridge Instrument Company Collection

Provenance

Donated by the Cambridge Instrument Company.

Inscription

‘ THE CAMBRIDGE AND PAUL
INSTRUMENT CO. LTD. ENGLAND
No. A L-1407 RES’ (on dial)

Description Notes

Cylindrical brass case on circular ebonite base; two brass terminals; glazed top showing permanent magnet, pivoted coil, mirror and silvered metal dial; linear scale, 0 to -10 and +100 divisions and non-linear scale, labelled ‘MEGAOHMS AT 100 VOLTS’; pin projecting from base clamps coil when instrument is lifted.

Condition: fair (glass broken, brass tarnished); complete.

References

Events