Accession No

2226

Brief Description

air chart board, MK I, by the General Instrument and Engineering Company Ltd., English, 1920 (c)

Origin

England; London

Maker

General Instrument and Engineering Company Ltd.

Class

navigation; drawing (?)

Earliest Date

1920

Latest Date

1920

Inscription Date

Material

wood; plastic (perspex); metal (brass)

Dimensions

length 370mm; breadth 363mm; thickness 55mm

Special Collection

Provenance

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

Inscription

‘THE GENERAL INSTRUMENT
AND ENGINEERING CO LD
LONDON’
‘MK. I
MK. I’

Description Notes

‘Bigsworth Protractor Parallels and Chart Board’. Wooden board with perspex cover for chart. Double, jointed arm higned to sliding mount with perspex protractor/ruler, which rotates in brass mount. Second protractor/ruler. Brass screwdriver. Envelope for spare protractor. R.A.F. instructions.

Condition

References

Events