Photographic replica plane diffraction grating, ar

Made:
1907-1949 (estimated) in London

Photographic replica plane diffraction grating, area 19 x 12 mm, on glass plate, wrapped in an envelope marked in manuscript 'Gratin (Replica) / made by photographing in much / reduced size a grating of lines / ruled in India ink on paper / by Mr. Barrow / I.C.Sc.T'. Very coarse line spacing.

Details

Category:
Optics
Object Number:
2000-1463
Materials:
glass and photographic emulsion
Measurements:
glass plate: 1 x 42 x 41 mm
type:
diffraction grating - transmission
taxonomy:
  • furnishing and equipment
  • tools & equipment
  • optical instrument
  • optical instrument component
  • diffraction grating
credit:
Imperial College of Science,Technology & Medicine (Spectroscopy Group)

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