Accession No

3264


Brief Description

part of a microphotometer, by Cambridge Instrument Company Ltd., England, c.1930


Origin

England


Maker

Cambridge Instrument Company Ltd.


Class

optical


Earliest Date

1930


Latest Date

1930


Inscription Date


Material

metal (brass, iron, at least 3 other types); glass; plastic (at least 3 types)


Dimensions

length 890mm; height 945mm; breadth 360mm


Special Collection


Provenance

Transferred from Institute of Astronomy, University of Cambridge, Cambridge, England, 09/1985.


Inscription


Description Notes

Grey-painted square iron base open in centre apart from a crossing bar. This carries an optical instrument mounted behind a plano-convex condensor lens. Various electrical connections.
Separate rectangular plate - the plate holder.
Separate grey-painted L-shaped bracket.
Separate grey-painted iron inverted-U-shape bracket with centrally mounted cylinder; also carries two electrical power boxes, one marked ‘fine gain’, the other with an aerial.
Three other parts in grey-painted iron: two open squares and one open triangle, all with attached white metal rods (purpose unknown).

Condition fair/poor; incomplete (?)


References


Events


FM:44789

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