Accession No

2212

Brief Description

compass, Barker's patent, by F. Barker and Son, English, 1918

Origin

England; London

Maker

F. Barker and son

Class

surveying; magnetism

Earliest Date

1918

Latest Date

1918

Inscription Date

1918

Material

metal (brass, steel and one other); glass

Dimensions

length 63mm; breadth 52mm; height 31mm

Special Collection

Provenance

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

Inscription

‘F Barker & Son London 1918 No 1425’ (lid)
‘BARKERS PATENTS 1818/15 103019/16 110002/16’ (base)

Description Notes

Metal alloy; black finish. Hinged lid with glazed eccentric aperture. Card compass graduated 0 - 360˚, divided to 1˚. Fleur-de-lys for North. Outer ring graduated0 - 360˚, divided to 5˚ on brass. Brass ring slides round sides graduated with 16 points, subdivided to 64. Magnifying glass hinges over scale. Brass shackle.

Condition

References

Events