Accession No

2155

Brief Description

level, by E. R. Watts and Son, English, 1915 (c)

Origin

England; London

Maker

E. R. Watts and Son

Class

surveying

Earliest Date

1915

Latest Date

1915

Inscription Date

Material

metal (brass, one other); glass

Dimensions

length 367mm; breadth 158mm; height 266mm

Special Collection

Provenance

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

Inscription

‘ER WATTS & SON LONDON
No 29’ (on telesvope)
‘1902 No 29 1 ·’ (on support)

Description Notes

Metal alloy with brass screws. Telescope with rack and pinion focusing moving eyepiece. Erecting lens. No cross-hairs. Bubble mounted over telescope graduated in 1/10´´. Transverse bubble over objective lens. Lens cover. Compass mounted centrally in supports; locking screw; prism sighting; scale graduated in half degrees. 3rd bubble mounted on compass. Graduated elevation screw extends from the telescope support. The whole supported on a pillar with axis clamp, and azimuth motion tangent screw. 3 fott screws on tribrach limbs clamped into sockets in the base plate.

References

Events