Accession No

2118

Brief Description

bubble level calibrator by Troughton & Simms, 2/4 19th C

Origin

London; England

Maker

Troughton & Simms

Class

miscellaneous

Earliest Date

1825

Latest Date

1850

Inscription Date

Material

metal (brass)

Dimensions

length 493mm; breadth 131mm; height 60mm

Special Collection

Provenance

Transferred from Institute of Astronomy, University of Cambridge, Cambridge, England, 10/1975.

Inscription

‘Troughton & Simms,
London’ (degree dial)

Description Notes

Rectangular brass bar, at one end of which is a crosspiece with two feet and at the other end a third adjustable foot. Fixed V-notch support at crosspiece, with a similar support sliding along the bar. The adjustable foot has a micrometer disc divided 0 - [4], numbered by 10´´, subdivided to 1´´. T92A scratched on slider.

Condition fair; complete.

References

Events