Accession No

4017

Brief Description

heaters for thermo-galvanometer, by Cambridge Instrument Company Ltd., English, 1925-1930

Origin

England; Cambridge

Maker

Cambridge Instrument Company Ltd.

Class

electrical

Earliest Date

1925

Latest Date

1930

Inscription Date

Material

metal (brass, copper); plastic (ebonite); glass; wood; paper

Dimensions

box length 119mm; breadth 59mm; height 50mm

Special Collection

Cambridge Instrument Company Collection

Provenance

Donated by the Cambridge Instrument Company.

Inscription

‘C150248; C74204; 255; 258’ (on sides of the four elements)

Description Notes

Four cylindrical heating elements; brass, ebonite, and glass surfaces; handling knob on each side; fine wire stretched between two copper leads emanating from one end. Held by four brass clips in wooden box with hinged lid. Postal label glued to box.

Condition: fair (two wires broken); complete.

References

Events