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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