Accession No

4011

Brief Description

radiomicrometer, by Cambridge Scientific Instrument Company Ltd., English, 1914

Origin

England; Cambridge

Maker

Cambridge Scientific Instrument Company Ltd.

Class

electrical

Earliest Date

1914

Latest Date

1914

Inscription Date

Material

metal (brass); glass; plastic (ebonite)

Dimensions

height 335mm; base diameter 240mm

Special Collection

Cambridge Instrument Company Collection

Provenance

Donated by the Cambridge Instrument Company.

Inscription

‘THE CAMBRIDGE SCIENTIFIC INSTRUMENT CO. LTD.
CAMBRIDGE. ENGLAND
No. 25938’ (on case)
‘(logo)’ (on brass block)

Description Notes

Heavy circular brass base; three levelling feet; two bubble levels; double-walled, brass cylindrical case, with glazed window in front, and circular holes for radiation, front and back; ebonite plug for front hole; removable brass lid; inner instrument has double circular glazed windows showing suspended mirror; heavy brass block covering vertical loop suspended in gap of horseshoe magnet, and thermocouple; glazed window in block for incoming radiation; clamping mechanism at back; height and zero adjustments at top of brass suspension tube.

Condition: good (suspension broken); complete.

References

Events