Accession No

4242

Brief Description

indicator, wall type / moving coil, pointer ammeter, Cambridge Instrument Company Ltd., English, 1937

Origin

England; Cambridge

Maker

Cambridge Instrument Company Ltd.

Class

electrical

Earliest Date

1937

Latest Date

1937

Inscription Date

Material

metal; rubber; glass

Dimensions

breadth 200mm; depth 191mm; height 100mm

Special Collection

Cambridge Instrument Company Collection

Provenance

Donated by the Cambridge Instrument Company.

Inscription

‘75 MICROAMPS
RES 21,000 OHMS
CAMBRIDGE INSTRUMENT CO., LTD., LONDON AND CAMBRIDGE No. C224179 (with logo)’ (on dial)

Description Notes

Black metal case; three rubberfeet; socket for vertical post stand in base; two terminals, marked ‘+’ and ‘-’; curved, glazed window on front showing curved mirror and white dial; two end marks on dial but no scale.

Condition: good; incomplete (both terminal nuts, one case screw missing).

References

Events