Accession No

2194

Brief Description

clinometer, by L. Casella, English, 1930 (c)

Origin

England; London

Maker

L. Casella

Class

surveying

Earliest Date

1930

Latest Date

1930

Inscription Date

Material

metal (brass, oxidised brass, white metal); glass

Dimensions

length of telescope 143mm; overall height 75mm

Special Collection

Provenance

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

Inscription

‘L. Casella, LONDON
424’ (clinometer dial)

Description Notes

Oxidised brass drum with glazed ends, containing magnetized bar and ring compass (32 points) and silvered clinometer dial, graduated 0 - 90 - 0 - 90 - 0, numbered by 10, divided to 1. Spring lock for compass. Knurled screw clamps for both compass and clinometer. Brass telescopic sight; single crosshair reads scale on edge of both rings to a single degree. Sliding objective with dark glass.
Threaded socket for tripod mounting.

Condition good; complete.

References

Events