Accession No

4061

Brief Description

moving magnet, reflecting galvanometer, by Cambridge Scientific Instrument Company Ltd., English, 1908

Origin

England; Cambridge

Maker

Cambridge Scientific Instrument Company Ltd.

Class

electrical

Earliest Date

1908

Latest Date

1908

Inscription Date

Material

metal (brass); plastic (ebonite); glass; stone (quartz)

Dimensions

height 245mm; base diameter 185mm

Special Collection

Cambridge Instrument Company Collection

Provenance

Donated by the Cambridge Instrument Company.

Inscription

‘THE CAMBRIDGE
SCIENTIFIC INSTRUMENT CO. LTD.
CAMBRIDGE. ENGLAND
No. 6957’ (on brass support)

Description Notes

Circular brass base; three levelling feet, brass with ebonite toes; two brass terminals; extra pair of terminals on base (one unconnected, one to base); two bubble levels; controlling bar magnet on brass rod with swivel connection to base; vertical brass plate with circular glazed window showing suspended mirror and damping vane; pair of vertical coaxial coils in removable ebonite boxes; two parallel vertical magnets suspended on a quartz fibre between coils.
Similar to Wh: 1613.

Condition: fair; incomplete (controlling magnet missing, metal frame and wires added).

References

Events