Square replica reflection grating (52 x 52mm) on g

Made:
1984 in Rochester
maker:
Bausch and Lomb Inc

Square replica reflection grating (52 x 52mm) on glass substrate (he 25 x 60 x 60mm), 150 lines per mm, 5000 Angstrom blaze wavelength and 2º 09' blaze angle. Made by Bausch & Lomb, Rochester, New York State, USA in 1984, Cat. No. 35-53-06-201, Serial No. 1055-33-2-2. Supplied to the University Observatory, Oxford through Glen Creston, 16 Dalston Gardens, London. Separate note indicates the grating was used with a spectroscope at the La Palma Observatory in the Canary Isles.

Details

Category:
Astronomy
Object Number:
2001-683
Materials:
complete, glass, plastic
type:
diffraction grating - reflection
taxonomy:
  • furnishing and equipment
  • tools & equipment
  • optical instrument
  • optical instrument component
  • diffraction grating
credit:
University of Oxford (Dept of Physics)
status:
Permanent collection

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