Filar micrometer, from John Smeaton's refracting telescope

Made:
1770 in London
maker:
John Smeaton

Filar micrometer, part of refracting telescope by John Smeaton on equatorial mounting with stand [RAS No.7] . Presented to Royal Astronomical Society in 1845 by Mrs Sommerville to whom it was left by Mrs Dixon, Smeaton's daughter.

Details

Category:
Astronomy
Object Number:
1931-347 Pt2
Materials:
brass, complete, glass, rosewood and steel
type:
instrument component
taxonomy:
  • furnishing and equipment
  • measuring device - instrument
  • micrometer - angle
  • component - object
credit:
Royal Astronomical Society