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Theodolite

1977/016

5 in reversing plane theodolite

c.1850

SKU: 1977/016 Categories: , ,

Description

5 in reversing plane theodolite with vernier scales reading to 1 minute of arc. 4-screw levelling head.

Used for measuring horizontal and vertical angles in land surveying and for setting out works.

For the tripod see https://ice-museum-scotland.hw.ac.uk/product/1977/016-1/.

A book of instructions for the use of theodolites is in the collection (see https://ice-museum-scotland.hw.ac.uk/product/1998-001/).

This item was donated by Carfrae & Morrison CE, Edinburgh. Professor Paxton donated to Heriot-Watt University a collection of letter and day books relating to Carfrae and Morrison. They are indexed on University’s Heritage and Information Governance website (https://www.calmview.eu/Watt/CalmView/Default.aspx?).

Additional information

Acquisition Number

1977/016
Item Type

Short Description

Reversing plane theodolite
Manufactured by

Date of Manufacture

c. 1850
Sub-items

Box
Supporting Items

None
Makers Number

None
Marks

"Carfrae & Morrison instrument 7" in MS on inside of box lid, Box marked "No 97"
Dimensions (mm)

260 (L) x 210 (H) x 155 (W)
Donor

Date Donated

December 1977
Materials

Brass
Condition

Good
Display Location

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