Accession No

4370

Brief Description

CO2 recorder-controller, strip, by Cambridge Instrument Company Ltd., English, 1949

Origin

England; Cambridge

Maker

Cambridge Instrument Company Ltd.

Class

electrical

Earliest Date

1949

Latest Date

1949

Inscription Date

Material

metal; glass; paper

Dimensions

breadth 490mm; depth 260mm; height 425mm

Special Collection

Cambridge Instrument Company Collection

Provenance

Donated by the Cambridge Instrument Company.

Inscription

‘CAMBRIDGE RECORDER’ (on outside of door)
‘PATENT No. 366290
CAMBRIDGE
INSTRUMENT CO. LTD.
LONDON & CAMBRIDGE.
L-251253’ (on inside base)

Description Notes

Rectangular, black metal box for wall mounting; left-handed hinged and locking door with glazed window; pivoted coil galvanometer; continuous paper chart; scale above pen and pointer, 0 to 20 ‘PERCENTAGE CO2’ at top of instrument; settable curved dial at bottom, with similar scale; rheostat and three position switch: ‘STD.’, ‘CHECK GALVO’, and ‘OFF’; electric motor on outside, right-hand side of box; instrument swings outward on inner hinge at right-hand side.

Condition: good (line controlling pen broken, door handle broken); complete.

References

Events