Accession No

2197

Brief Description

range finder, Sinclair, J.A. Sinclair & Co Ltd, 1915 (c)

Origin

Haymarket; London; England

Maker

Sinclair and Co. Ltd.

Class

military; surveying (?)

Earliest Date

1915

Latest Date

Inscription Date

Material

metal (alloy, copper, brass); glass

Dimensions

length 188mm; breadth 86mm; thickness 46mm

Special Collection

Provenance

Transferred from Department of Geography, University of Cambridge, Cambridge, England, 05/1969.

Inscription

‘Sinclair Range Finder
Jas A Sinclair & Co Ltd
Haymarket LONDON No 406’ (on dial)

Description Notes

Metal alloy rectangular case; grey finish. Copper dial graduated 4-500 on rapidly diminishing spiral scale. Brass eyepiece news directly and via two mirrors; one rotates through 90o the other minutely through pivots and bars connected with the dial. Indicator arm on dial gives direct distance measurement.

References

Events