Accession No

4089

Brief Description

fibre case for Einthoven String Galvanometer, by Cambridge Instrument Company Ltd., English, 1927

Origin

England; Cambridge

Maker

Cambridge Instrument Company Ltd.

Class

electrical

Earliest Date

1927

Latest Date

1927

Inscription Date

Material

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

Dimensions

length 231mm; breadth 103mm; height 75mm case length 254mm; breadth 100mm; height 138mm

Special Collection

Cambridge Instrument Company Collection

Provenance

Donated by the Cambridge Instrument Company. See notes.

Inscription

Description Notes

Brass fibre case for Einthoven string galvanometer. Case itself has small glazed aperture through which the fibre can be seen. Two terminals for connection to galvanometer (one missing screw). 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.

Condition fair; complete.

References

Events