Circular diffraction grating ruled on silvered glass

Made:
1910-1915 in London
maker:
W. R. Clark
Circular diffraction grating, 2-inch diameter ruled on glass

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Circular diffraction grating, 2-inch diameter ruled on glass
Science Museum Group
© The Board of Trustees of the Science Museum

Circular diffraction grating, 2-inch diameter ruled on glass, unsilvered in passe-partout mount, made by W. R. Clark, London, England, 1910 -1915.

Details

Category:
Optics
Object Number:
1915-107
Materials:
glass and metal (unknown)
Measurements:
overall: 1.5 mm 68 mm, .016kg
type:
diffraction grating - reflection
credit:
Clark, W. R.