Accession No

2196

Brief Description

Major H. P. Treeby’s rapid sketcher, by J. H. Steward, English, 1925 (c)

Origin

England; London; Strand

Maker

J. H. Steward

Class

surveying

Earliest Date

1925

Latest Date

1925

Inscription Date

Material

metal (brass, steel); wood (boxwood); glass

Dimensions

length 180mm; minimum breadth 70mm; height 15mm

Special Collection

Provenance

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

Inscription

‘Major. H.P. Treeby’s
Rapid Sketcher
PATENT
nO 7’ (obverse)
‘STEWARD * STRAND * LONDON’ (obverse)

Description Notes

Boxwood rectangle. Engraved with scale of depression and elevation divided 60˚ - 0 - 60˚, numbered by 10˚, graduated to 1˚. Read by brass weighted arm mounted round compass needle. Opposite end of arm graduated 6 - 19, numbered by 1. Compass box glazed both above and below to allow view of sketch. Scale of degrees within scale of depression and elevation graduated [0] - [180˚] and [180˚] - [360˚], numbered by 10˚, divided to 1˚. Bevelled sides graduated 0 - 17 yards, numbered by 1 at 6 inches to a mile, and 0 - 12, right to left yards at 4 inches to the mile and left to right yards at 3 inches to the mile.
Reverse: ‘Normal Scale of Horizl Equivalents’ and ‘Horizontal Equivts in Yards for’ degrees 1 - 39.

Condition good; complete.

References

Events