Transit circle by Edward Troughton, London

Made:
1806 in London
maker:
Edward Troughton

Transit circle by Edward Troughton, London with a pair of 4-foot circular scales and 12 scale reading micrometers with accessories on model masonary pillar stand. The circle was originally fitted with four reading microscopes, but 8 extra ones were added in 1823-4 by Sir James South.

Details

Category:
Astronomy
Object Number:
1918-169 Pt1
Materials:
brass, complete, glass, iron and silver
Measurements:
overall: 2400 x 1840 x 1280 mm
Plinth: 100 x 2000 x 2000 mm
type:
transit circle
taxonomy:
  • furnishing and equipment
  • measuring device - instrument
  • micrometer - angle
  • component - object
  • furnishing and equipment
  • measuring device - instrument
credit:
Mr William Woodard