Accession No

1117

Brief Description

reflecting telescope, Gregorian, by John Cuthbert, English, 1825 (c)

Origin

England; London

Maker

Cuthbert, John

Class

astronomy; optical

Earliest Date

1825

Latest Date

1825

Inscription Date

Material

metal; brass; glass; speculum

Dimensions

Special Collection

Provenance

On loan from the Cavendish Laboratory, University of Cambridge, from 10/1951.

Inscription

Iohn Cuthbert
London (signed at eye end)
(MS note) Sir James South lent this to me Jan 1862 and he gave it to me in the summer of 1862. It is by Cuthbert a famous maker of Dumpy telescopes and defines sharply T. R. Robinson.

Description Notes

Gregorian reflecting telescope in brass. Barrel with friction tight cover. Screw in eye end with screw in eyepiece. Speculum metal primary mirror held by 3 brass springs. Focus by screw at eye endmoving speculum metal secondary mirror. 2 stems attached to barrel for holding finder (now missing). Altazimuth mount on pillar stand and folding tripod base with straight legs. Second secondary mirror, with mount, in brass case with lid.
good condition, some tarnishing

References

Events