Accession No

0912

Brief Description

plotting protractor, by W. C. Cox, English, 1850 (c)

Origin

England; Devonport

Maker

Cox, W. C.

Class

drawing

Earliest Date

1850

Latest Date

1850

Inscription Date

Material

metal (brass); glass

Dimensions

breadth 263mm; diameter 153mm

Special Collection

Provenance

Inscription

‘W. C. Cox Devonport’

Description Notes

Spoked circle with glazed circular centre with engraved cross. Divided 0 - 360˚, numbered by 10˚, subdivided to 1˚. Pair of arms, one with vernier, reading to 1´. Concave arms lead to points.
(Hole at end of each spoke. Inside edge bevelled every 90˚; 25-1-2000)

Condition: good/fair.

References

Events