Accession No

2401

Brief Description

moving coil, reflecting galvanometer, by Gambrell Brothers Ltd., English, 1900-1925 (c)

Origin

England; London

Maker

Gambrell Brothers Ltd.

Class

electrical

Earliest Date

1900

Latest Date

1925

Inscription Date

Material

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

Dimensions

height 183mm; base diameter 134mm

Special Collection

Provenance

Transferred from Department of Physical Chemistry, University of Cambridge, Cambridge, England, 1978.

Inscription

‘GAMBRELL BROS. LTD.
No. 6041’ (on case)
‘21’ (on case, added)

Description Notes

Circular ebonite base; three brass feet, two levelling, one fixed; two brass terminals; removable brass cylindrical case with circular glazed window on front and sliding plate on top; cylindrical magnet mounted on circular wooden base; coil and circular mirror mounted on ivorine frame suspended between magnet poles; coil surrounds stationary iron core; adjustable brass suspension frame on post; clamping mechanism works when instrument is lifted off surface.

Condition: good (suspension broken); complete.

References

Events