Square replica reflection grating (52 x 52mm) on glass substrate (he 25 x 60 x 60mm)
- 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
- Measurements:
-
overall: 25 x 60 x 60 mm
- credit:
- University of Oxford (Dept of Physics)
