Accession No

4274

Brief Description

moving coil, reflecting galvanometer, by Cambridge Instrument Company, English, c.1924

Origin

England; London

Maker

Cambridge Instrument Company Ltd.

Class

electrical

Earliest Date

1920

Latest Date

1925

Inscription Date

Material

plastic (ebonite); metal (brass, iron); wood; glass

Dimensions

height 345mm; breadth 205mm; depth 210mm

Special Collection

Cambridge Instrument Company Collection

Provenance

Donated by the Cambridge Instrument Company.

Inscription

‘HIGH SENSITIVITY
GALVANOMETER
NO. L-1154
CAMBRIDGE
INSTRUMENT CO. LTD. ENGLAND’ (on brass plate fastened to top cover)

Description Notes

Ebonite base; three brass levelling feet; two bubble levels; two brass and ebonite terminals at front of base with clamping lever between; brass screws; brass suspension tube with removable brass top, for zero adjustment; glazed rectangular window with brass frame at front of cover, showing suspended coil surrounding fixed spherical iron core, and mirror.

Condition: good (suspension intact); complete.

References

Events