Accession No

2572


Brief Description

electometer, Lindemann, by Cambridge Instrument Company Ltd., English, 1929


Origin

England; Cambridge


Maker

Cambridge Instrument Company Ltd.


Class

electrical; astronomy;


Earliest Date

1929


Latest Date

1929


Inscription Date


Material

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


Dimensions

length 96mm; breadth 79mm; height 44mm


Special Collection


Provenance

Transferred from Institute of Astronomy, University of Cambridge, Cambridge, England, 1980.


Inscription

‘LINDEMANN
ELECTROMETER
C. I. CO. LTD.
C127015 (with logo)’ (on case)


Description Notes

Brass and aluminium cylindrical case; 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; internal moisture absorption chamber; base mounted on a metal alloy plate.
Similar to Wh: 1651, but a later model.

Condition: good (suspension intact); incomplete (one terminal missing).


References


Events

Description
This instrument was designed by Dr Frederick Alexander Lindemann for use in photoelectric measurement of light from stars.
24/03/2020
Created by: Morgan Bell on 24/03/2020


FM:41298

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