Theodolite, cased, No.117682, by Hilger and Watts, London, 1959.
Theodolites are used in land surveying to measure angles between points on the vertical and horizontal axes. A telescope is mounted so that it can rotate around the axes and give accurate readings, down to the milliradian.
Hilger and Watts were a British manufacturing company which made scientific instruments. At its peak the company employed around 1300 people in six factories in the South East of England.
- Object Number:
- furnishing and equipment
- measuring device - instrument
- British Rail, Clapham
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