Accession No

6575

Brief Description

reflecting galvanometer, by Cambridge Instrument Company Ltd., English, 1963

Origin

England; London

Maker

Cambridge Instrument Company Ltd.

Class

electrical; laboratory apparatus

Earliest Date

1963

Latest Date

1963

Inscription Date

Material

Plastic; metal (steel?); paper; rubber

Dimensions

195mm (width) x 250mm (depth) x 110 mm (height)

Special Collection

Provenance

Transferred by an individual at the Department of Engineering, University of Cambridge, Trumpington St, Cambridge, CB2 1PZ, on or before 25/04/2013.

Inscription

“CAMBRIDGE INSTRUMENT CO.LTD. ENGLAND.”
“L-404213”

Description Notes

Reflecting galvanometer, by Cambridge Instrument Company, English, mid C20th.

Cambridge Instrument Company “Spot” Galvanometer for 250V A.C. Two terminals at the back, one red and one black, with label between reading ‘20 ohms’. Switch on top can alternate between ‘clamp’ and ‘free’. Two scales, 1 - 100 and 0-50 with 10 degree intervals. Rheostat at front, to adjust resistance. No.L-404213. Paper in slot between the two rubber feet indicates the device has been maintained, by being tested at 20o for is external dampening resistance, periodic time and sensitivity. There is a wire around the two rear terminals. Is missing its mains plug.

Condition: Good, incomplete.

References

Events