0237
    REPETITION VERNIER THEODOLITE   
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  Surveying Instrument Collection 

Maker

Cooke, Troughton & Simms Ltd

Model

Repetition Vernier Theodolite

Serial Number

V01985

Dimensions

345 mm high, 190 mm diameter (max)

Image

Cooke,Troughton & Simms Vernier Theodolite

Description

Vernier repetition theodolite with enclosed horizontal circle (of about 130 mm diameter). Vertical circle exposed and somewhat corroded (diameter about 115 mm). Plate level 20" per division. Altitude bubble 20" per division. Horizontal and vertical circle intervals 20".

Original (blue/grey) paint. Altitude bubble setting screw disabled.

Tribrach allows movement of theodolite by 15 mm inside tribrach (for centring).

Minor paint damage due to use. Box includes tools, sunshade and calibration manual dated 4.12. 1947.

Box 387 x 228 x 193 mm.

Includes steel tripod 940 mm high, with 85 mm diameter screw for the attachment of the theodolite, with protective cover (diameter 170 mm).

 

History & comments

Purchased in December 1947. Adjustment manual (Publication 523F) dated 4.12. 1947.

Conservation

In wooden transport box, in leather carrying case.

Condition

good

Remarks

Donated by Mr. John Armstrong (St. Ives) in July 2004

Photo by JMR.

Dates

Catalogued in 2004 by JMR

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