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), 600 lines per mm, 5000 Angstrom blaze wavelength and 8º 38' blaze angle. Made by Bausch & Lomb, Rochester, New York State, USA in 1984, Cat. No. 35-53-09-260, Serial No. 2538-13-2.
Details
- Category:
- Astronomy
- Object Number:
- 2001-684
- Measurements:
-
overall: 25 x 60 x 60 mm
- credit:
- University of Oxford (Dept of Physics)
