Accession No

3083

Brief Description

protractor and pattern, designed by G.F. Herbert Smith, 1/2 20th C

Origin

Maker

Class

military

Earliest Date

1900

Latest Date

1950

Inscription Date

Material

paper (card and one other); plastic (celluloid)

Dimensions

3083.2 length 239mm; width 120mm; 3083.1 length 225mm; width 154mm

Special Collection

Steward collection

Provenance

Collection purchased from member of the Steward family, 1974.

Inscription

‘Protractor required for Gnomonic Projection.
Designed by G.F. Her[bert Smith]’ (3083.1 obverse)
‘With the Compliments of
G.F. Herbert Smith
British Museum (Natural History)
LONDON, S.W.’ (stamped twice on reverse of 3083.1)

Description Notes

3083.1: card and paper pattern for protractor required with gnomon projection. Obverse has layout for protractor as well as instructions for its engraving and construction. (For scales see 3083.2.)
3083.2: transparent celluloid rectangular protractor. Semicircular degree scale divided [0] - 90˚ - [0], numbered by 10˚, subdivided to 30´. Along bottom diameter a centimetre scale divided [9.3] - [0] - [9.3], numbered by 1, subdivided to 0.1. Along vertical radius a centimetre scale divided [0] - [10], numbered by 1, subdivided to 0.1.

Condition 3083.1 poor (one corner missing, dog-eared), 3083.2 good; complete.

References

Events