Accession No

2271

Brief Description

fibre case for Einthoven String Galvanometer, by Cambridge Instrument Company, English, 1930

Origin

England; Cambridge

Maker

Cambridge Instrument Company Ltd.

Class

electrical

Earliest Date

1930

Latest Date

1930

Inscription Date

Material

metal (brass, white metal); glass; wood; cloth (felt)

Dimensions

length 232mm; breadth 78mm; height 100mm; box length 259mm; breadth 105mm; height 139mm

Special Collection

Provenance

Transferred from Department of Colloid Science, University of Cambridge, 11/1976.

Inscription

Description Notes

Brass fibre case for Einthoven string galvanometer. Case itself has small glazed aperture. Two terminals for connection to galvanometer. Two brass screws for levelling fibre. Knurled brass screw to adjust sensitivity, by adjusting the tension of the fibre; carries brass stop, to prevent fibre being broken.
Fitted wooden box with brass hinges and hook fasteners; partially lined with green felt.

Complete.

References

Events