Accession No

2404

Brief Description

moving coil, reflecting galvanometer, by Gambrell Brothers Ltd., English, 1/4 20th Century

Origin

England; London

Maker

Gambrell Brothers Ltd.

Class

electrical

Earliest Date

1900

Latest Date

1925

Inscription Date

Material

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

Dimensions

height 182mm; depth 150mm; breadth 135mm

Special Collection

Provenance

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

Inscription

‘GAMBRELL BROS. LTD.
5178’ (base)
‘23’ (added on case)

Description Notes

Suspended coil, reflecting Galvanometer, Holden-D’Arsonval type.
Circular wooden base; three brass levelling feet; four brass terminals (three connected together); cylindrical brass case (painted black) with circular glazed window at front; cylindrical magent; coil and circular mirror mounted on ivorine frame suspended between magnet poles; coil surrounds stationary iron core; clamping mechanism.

Condition good (suspension intact); complete

References

Events