Accession No

0581

Brief Description

brass plotting protractor, by Cox, English, 1850 (c)

Origin

England; London

Maker

Cox

Class

drawing

Earliest Date

1850

Latest Date

1850

Inscription Date

Material

metal (brass); wood; glass

Dimensions

diameter 159mm; length from point to point 279mm; thickness 20mm box length 182mm; breadth 175mm; height 28mm

Special Collection

Robert Whipple collection

Provenance

Purchased from T.H. Court on 01/03/1930.

Inscription

‘Cox London’

Description Notes

Spoked wheel. Circular glazed centre with engaved cross. Graduated 0 - 360˚, numbered by 10˚, divided to 30´. Two arms operated by third with knurled screws and pinion moving over rack round edge of protractor. Type B vernier on both arms reads to 1´. Folding extensions with steel points and spring.
Fitted wooden box.

Condition

References

Events