Altazimuth theodolite, by Benjamin Cole at the Orrery, Fleet Street, London c. 1766. Fitted with magnetic compass with spirit level and spirit level on telescope.
Details
- Category:
- Surveying
- Collection:
- Sir Henry Wellcome's Museum Collection
- Object Number:
- 1981-117
- Materials:
- copper (alloy), iron and glass
- Measurements:
-
overall: 195 mm x 30 mm x 195 mm, , 2.21kg
- type:
- altazimuth theodolite
- credit:
- On loan from the Wellcome Trust