Accession No

4297

Brief Description

moving coil, pointer galvanometer, by Cambridge Instrument Company Ltd., England, 1920s

Origin

England

Maker

Cambridge Instrument Company Ltd.

Class

electrical

Earliest Date

1924

Latest Date

1930

Inscription Date

Material

wood; plastic (ebonite, ivorine); hide (leather); glass

Dimensions

length 230mm; breadth 209mm; height 104mm

Special Collection

Cambridge Instrument Company Collection

Provenance

Donated by the Cambridge Instrument Company.

Inscription

‘CAMBRIDGE INSTRUMENT CO. LTD. LONDON & CAMBRIDGE.
No. ...
BATCH FERY.
DEGREES CENTIGRADE (with logo)’ (on dial)
‘No. 9105’ (on coil support)
‘ERECTION INSTRUMENT’ (on ivorine plate below dial)

Description Notes

moving coil, pointer galvanometer, Cambridge Instrument Company, 1920s.

Similar to Wh: 4018 but with different dial; wooden case; leather handle; glazed window showing mirror and white dial; two non-linear scales, 0 to 1700 and 1400 (degrees celcius); glazed window below dial; four ebonite covered terminals.

Condition: fair (case cracked and dirty); complete.

References

Events