Accession No

6525

Brief Description

7-inch temperature indicator, by Cambridge Instrument Company Ltd., English, 1966

Origin

England; Cambridge

Maker

Cambridge Instrument Company Ltd.

Class

thermometry; laboratory apparatus

Earliest Date

1966

Latest Date

1966

Inscription Date

Material

metal (steel; brass); plastic; glass; rubber

Dimensions

19.5cm (w) x 19.5cm (d) x 10.5cm (t)

Special Collection

Provenance

Transferred by an individual from the Department of Engineering, University of Cambridge on or before 27/07/2012.

Inscription

[Below scale:]
“CAMBRIDGE INSTRUMENT Co., Ltd., LONDON and CAMBRIDGE No. C.747123”
[Above scale:]
“Batch B.S.1828 A.C.J.C. DEGREES CENTIGRADE EXT. RES. 2.2 OHMS. RES. 292.0 OHMS”

Description Notes

7-inch temperature indicator, by Cambridge Instrument Company, English, 1966.

Dark grey galvanised-steel case with three maroon rubber feet. Curved semicircular glass front window, with curved metal scale behind. Scale runs from 0 to 350, inscribed in 5 degree increments and labelled every 50 degrees. Vertical pointer hangs in front of scale, suspended from above. Anti-parallax mirror below scale. Scale is inscribed:
[Below scale:]
“CAMBRIDGE INSTRUMENT Co., Ltd., LONDON and CAMBRIDGE No. C.747123”.
[Above scale:]
“Batch B.S.1828 A.C.J.C. DEGREES CENTIGRADE EXT. RES. 2.2 OHMS. RES. 292.0 OHMS”.
Bracket for fitting to wall mount on underside of case. Two brass terminal connectors with plastic thumb screws on either side at rear of case.

Condition: good/fair, complete. Some tarnishing and glue residue on upper surface of case.

References

Events