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History of Science Museum

Transit Telescope and Micrometer with Theodolite Support in Two Cases

Inventory Number 88465


Acknowledgement: © History of Science Museum, University of Oxford, inv.88465

Subject
Telescopes
Item type
Object
Provenance
Transferred from the Dept. of Surveying & Geodesy
Other inscriptions
Sticker on leather case "B/ 9883" label inside wooden case " T. COOKE & SONS, LTD. / Makers of Astronomical, / Surveying and Drawing / Instruments, & C. . . ./ LONDON, YORK & CAPE TOWN/ No. 178 2819/ Reparied and Adjusted by COOKE, THROUGHTON & SIMMS, LTD/ 340, WOOLWICH ROAD, CHARLTON, S. E. 7."
Object type
Telescope
Inventory No
88465
Accession Number
1984-13/9

Description

A transit telescope and micrometre with support in two wooden cases which are in turn each inside leather carrying cases.

The coated metal support has three adjustable stands with a rotating circular base. Mounted on the circular base are two spirit levels, adjusting arms and two support arms to hold the instrument. There is also an eyepiece with a bracket. Inside the wooden case for the support there are wooden supports for the instrument, one of which is removable and holds the instrument in place. The wooden case is inside a leather carrying case with two buckle fastenings and a strap.

The coated metal transit telescope and micrometre is mounted on a metal wheel with two arms and adjustment knobs. There is a spirit level mounted on the opposite side to the telescope. The accessories inside the case are: a spirit level mounted in coated metal with two attachment arms; A weighted level pointer in a metal and glass mount; A weighted metal collar; Two cross-hair lenses, each in a storage can; A circular accessory mounted on a bracket; a lens cap and a mirrored accessory to fit over the lens; and a cross-hatched cylindrical attachment. Inside the wooden case there are wooden supports for the instrument and accessories, some lined with felt. The wooden case is inside a leather carrying case with two buckle fastenings and a leather strap.