Demainbray's convex lens

Made:
1750
Convex lens in stand. boxwood; glass; brass; walnut; paper (fibre product). SCM - King George III Convex lens in stand. boxwood; glass; brass; walnut; paper (fibre product). SCM - King George III

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Convex lens in stand. boxwood; glass; brass; walnut; paper (fibre product). SCM - King George III
King's College, London| Enquiries to Science Museum, London
© The Board of Trustees of the Science Museum

Convex lens in stand. boxwood; glass; brass; walnut; paper (fibre product). SCM - King George III
King's College, London| Enquiries to Science Museum, London
© The Board of Trustees of the Science Museum

Convex lens in wooden stand, maker unknown, c.1750. Once belonged to Stephen Demainbray.

This lens once belonged to Stephen Demainbray and was used by him in his lectures on natural philosophy. It is a plano-convex lens of crown glass with a focal length of approximately two feet. Demainbray worked as superintendent at the King's observatory at Kew from 1768 and his collection of instruments and apparatus was absorbed into the King's own collection. The lens is itemised in the Queen's Catalogue.

Details

Category:
King George III
Object Number:
1927-1250
Materials:
boxwood, brass, glass, paper (fibre product) and walnut
type:
optical demonstration equipment
taxonomy:
  • furnishing and equipment
  • tools & equipment
  • components
  • components
credit:
King's College, London