Accession No

2181

Brief Description

reflecting level, by E. R. Watts and Son, English, 1920 (c)

Origin

England; London

Maker

E. R. Watts and Son

Class

surveying; magnetism

Earliest Date

1920

Latest Date

1920

Inscription Date

Material

metal; glass

Dimensions

length 203mm; breadth 82mm; height 140mm

Special Collection

Provenance

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

Inscription

‘E R WATTS & SON
LONDON
E.R.W. & S.
No 7343
HO·23’

Description Notes

Metal alloy. Khaki finish. Compass mounted over telescope. Aluminium ring divided 0 - 360˚ subdivided to 30´. Clamp. Read by hinged prism. Inverting telescope with rack and pinion focusing moving the objective. Bubble moved through eyepiece. Ray shade. Elevation screw. Clamp and slow motion tangent screw. Ball and socket joint with clamp and threaded socket for attachment to tripod.

References

Events