Accession No

4375

Brief Description

radiation pyrometer, by Cambridge Scientific Instrument Company, English, 1911

Origin

England; Cambridge

Maker

Cambridge Scientific Instrument Company

Class

electrical

Earliest Date

1911

Latest Date

1911

Inscription Date

Material

metal (aluminium, other); glass; plastic (ivorine)

Dimensions

height 400mm; length 180mm; breadth 161mm

Special Collection

Cambridge Instrument Company Collection

Provenance

Donated by the Cambridge Instrument Company.

Inscription

‘...No. 14300’ (on end plate)

Description Notes

Radiation pyrometer, Cambridge Scientific Instrument Company, 1911.

Cylindrical aluminium case, partly painted black; connected with ball and socket joint to metal tube for tripod mounting; large aperture for incoming radiation, with swinging circular cover plate; adjustable eyepiece with swinging red filter; knurled screw on side with scale on ivorine disk, 3.5 to 25 ft., for distance focusing; glazed window showing white dial and pointer; temperature scale, 0 to 2 000 degrees Fahrenheit; pointer and concave mirror visible inside cylinder.
Similar to Wh: 4374.

Condition: fair; incomplete (pointer (and spiral?) missing; without tripod).

References

Events