Accession No

2449


Brief Description

level, by Troughton and Simms, English, 1845 (c)


Origin

England; London


Maker

Troughton and Simms


Class

surveying


Earliest Date

1845


Latest Date

1845


Inscription Date


Material

metal (brass); glass; wood


Dimensions

box length 482mm; breadth 125mm; height 104mm


Special Collection


Provenance

Transferred from Department of Engineering, University of Cambridge, Cambridge, England, 09/1979.


Inscription

‘Troughton & Simms
LONDON’ (on compass face)


Description Notes

Inverting telescope with rack and pinion focusing. Cross-hairs (2 vertical). Bubble mounted over telescope (no graduations). Compass mounted on pillars from telescope support, over both telescope and bubble. Compass scale numbered by 10, with second scale divided to 1. Locking bar. Whole fitted on tripod head with 4 foot scerws through parallel plates. Milled ring controls azimuth motion. No clamp. Diagonal eyepiece. Fitted wooden box.


References


Events


FM:42874

Images (Click to view full size):