Photographic replica plane diffraction grating, ar

Made:
1900-1949 (estimated)

Photographic replica plane diffraction grating, area 27 x 27 mm, on glass plate, wrapped in a piece of paper marked in manuscript 'Photograph copy of / Spectrum Grating / 6000 lines per inch / Dr. . . . 's / Keep dry & do not rub / the film side'. [The three letters of the name are indecipherable.]

Details

Category:
Optics
Object Number:
2000-1462
Materials:
glass, paper and photographic emulsion
Measurements:
glass plate: 2.5 x 61 x 54 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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