12" mirror

Thin, flat mirror, possiby used in a coelostat. Thin perhaps so it heated more uniformly ie did not distort. Inscription on the back of the mirror reads: 'Coelo Entr...nt/ CDPD/ 22 ... 1902'

Object Details

ID: ZBA0717
Collection: Astronomical and navigational instruments
Type: 12" mirror
Display location: Not on display
Creator: Unknown
Date made: circa 1902
Credit: Components. National Maritime Museum, Greenwich, London, RGO Collection
Measurements: Overall: 35 mm x 322 mm x 322 mm
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