Accession No

2591

Brief Description

rectangular protractor, by Cooke, Troughton and Simms Ltd., English, 1922-1935

Origin

England; London and York; and South Africa; Cape Town

Maker

Cooke, Troughton and Simms Ltd.

Class

drawing

Earliest Date

1922

Latest Date

1935

Inscription Date

Material

wood (boxwood)

Dimensions

length 152mm; breadth 51mm

Special Collection

Provenance

Inscription

‘COOKE TROUGHTON AND SIMMS LTD LONDON YORK AND CAPE TOWN’

Description Notes

Obverse: divided round 3 sides 90˚ - 0 - 90˚ anticlockwise and 0 - 180˚ clockwise. 4th side has 20ft scale of 1 inch to a mile graduated 0 - 5000, numbered by 100.
Reverse: 6-inches along one side in 1/40. Scale of % correction for slopes, angles of incline, etc.

Condition

References

Events