Spectrum comparator

Made:
1922 in London
maker:
Adam Hilger Limited

Spectrum comparator, with travelling micrometer microscope by Adam Hilger Ltd., London, serial No.L1303/22216, dated 1922. Modified for measurement of circular photographic plates and thought to have been used at the University Observatory, Oxford for solar image measurements.

Details

Category:
Astronomy
Object Number:
2001-697
Materials:
steel, brass, plastic, glass, aluminium and complete
Measurements:
overall (estimate): 250 x 270 x 140 mm
type:
spectrocomparator - astronomical
credit:
University of Oxford (Dept of Physics)

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