Accession No

3260

Brief Description

transit instrument, c.1900

Origin

England

Maker

Class

astronomy

Earliest Date

1900

Latest Date

1900

Inscription Date

Material

metal (brass, oxidised brass, white metal); glass; liquid; wood; cloth (baize)

Dimensions

height 250mm; length 270mm; breadth 110mm box length 355mm; breadth 225mm; height 150mm

Special Collection

Provenance

Transferred from Institute of Astronomy, University of Cambridge, Cambridge, England, 09/1985.

Inscription

Description Notes

Small transit instrument in oxidised brass. Flat-based stand with double A-frame support for axis. Axis secured in Y bearings by pivoted bars and clamping screws. Telescope with object glass cover, focus by knurled screw moving object glass, cross hairs, diagonal eyepiece, conventional eyepiece also. Vertical circe with silvered scale divided 0 - 90˚ - 0 - 90˚ - 0, numbered by 10˚, subdivided to 30´, with 2 silvered verniers marked ‘A’ and ‘B’ reading to 30´´; clamp and tangent screws, zero adjustment by knurled screw. Bubble level on telescope.
Fitted wooden box with reading microscopes, spare lens and spare lens holder.

Condition good; complete.

References

Events