Accession No

1267b

Brief Description

parts of repeating circle Wh.1267

Origin

England

Maker

Class

astronomy

Earliest Date

1800

Latest Date

1840

Inscription Date

Material

metal (brass); glass; ivory; unknown substance

Dimensions

envelope length 220mm; breadth 130mm; height 65mm

Special Collection

Provenance

On loan from St. John’s College, University of Cambridge from 09/1953.

Inscription

Description Notes

Envelope contains
3 reading microscopes on stands
1 knurled screw
1 object glass cover (end plate detached)
1 drum with pores containing numerous spheres of unknown material
1 unidentified object
Note on envelope in DJB’s hand: ‘Either Troughton or Cary Circle’

Condition fair (much tarnishing)

Key for this instrument may be on bunch of keys for St. John’s instruments. See location note and notes fields for more information.

References

Events