Brass spyglass decorated with shagreen and with an achromatic lens

Made:
1762-1800 in London
maker:
Jesse Ramsden
Brass spyglass decorated with shagreen and with an achromatic

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Brass spyglass decorated with shagreen and with an achromatic
Science Museum Group
© The Board of Trustees of the Science Museum

Brass spyglass decorated with shagreen and with an achromatic lens, by Jesse Ramsden, London, England, 1762-1800

Details

Category:
Optics
Collection:
Sir Henry Wellcome's Museum Collection
Object Number:
1983-348
Materials:
fishskin, wood (unidentified), brass (copper, zinc alloy) and glass
Measurements:
overall: 94 mm 42 mm, .173kg
type:
telescope - galilean, telescope - terrestrial and telescope - refracting
credit:
Wellcome Trust