Divided object-glass micrometer by George Dollond,

Made:
1821-1857 in London
maker:
George Dollond

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Divided object-glass micrometer by George Dollond, London, part of refracting telescope (1987-722) by Simms (RAS No.30, Sheepshanks No.4) Presented to the Royal Astronomical Society in 1857 by Miss Ann Sheepshanks sister of the Rev. Sheepshanks. Later in 1957 given to the British Astronomical Association.

Details

Category:
Astronomy
Object Number:
1987-851
Materials:
brass, case, wood and optics, glass
Measurements:
Case: 120 x 140 x 120 mm
type:
instrument component
taxonomy:
  • furnishing and equipment
  • measuring device - instrument
  • micrometer - angle
  • double image micrometer
  • component - object
credit:
Sotheby's (New Bond St)