Accession No

3065

Brief Description

Deeleys friction clinometer, by J. H. Steward Ltd., English, 1920 (c)

Origin

England; London; 406 Strand

Maker

J. H. Steward Ltd.

Class

surveying (?)

Earliest Date

1920

Latest Date

1920

Inscription Date

Material

metal (oxidized brass, brass)

Dimensions

length 175mm; breadth 180mm; height 190mm

Special Collection

Steward collection

Provenance

Collection purchased from member of the Steward family, 1974.

Inscription

‘DEELEY’S
FRICTION CLINOMETER
PROC PATENT
J.H. STEWARD LTD.
406, STRAND
LONDON’

Description Notes

Oxidized brass (tarnished). Base plate, 2 bubble levels with mutually perpendicular axes. Vertical plate; semicircular top divided 40 - 0 - 40˚, subdivided to 30´. Arm moves on a scale controlled by knurled brass screw and cog operating over semicircular rack. Axis from arm to brass ‘shovel’ shaped attachment through vertical plate. 3 brass levelling screws.

References

Events