Wheatstone polar clock for telling the time from the angle of polarisation of light in the sky

Made:
1846-1851
maker:
William H Darker
Wheatstone polar clock for telling the time from the angle of

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Wheatstone polar clock for telling the time from the angle of
Science Museum Group
© The Board of Trustees of the Science Museum

Wheatstone polar clock for telling the time from the angle of polarisation of light in the sky, by W. H. Darker, Lambeth, 1846-51

Details

Category:
Optics
Collection:
Sir Henry Wellcome's Museum Collection
Object Number:
1997-1666
type:
polar clock
credit:
Wellcome Trustees