Accession No

2270

Brief Description

electrometer, Lindemann, by Cambridge Instrument Company Ltd., English, 1930

Origin

England; Cambridge

Maker

Cambridge Instrument Company Ltd.

Class

electrical; astronomy;

Earliest Date

1930

Latest Date

1930

Inscription Date

Material

metal (brass, aluminium); glass; plastic (ebonite)

Dimensions

length 89mm; breadth 55mm; height 36mm

Special Collection

Provenance

Transferred from Department of Colloid Science, University of Cambridge, 1976.

Inscription

‘LINDEMANN
ELECTROMETER
C. I. Co. Ltd.
C 141826’ (on case)

Description Notes

Brass and aluminium rectangular box; circular glazed windows on top and bottom showing suspended needle; two glass and brass terminals on left side; glass and brass terminal with brass sleeve on right side; right terminal accepts a pneumatically operated earthing switch; internal moisture absorption chamber.
Similar to Wh.1651, but a later model.

Condition: good (suspension intact); complete.

References

Events