
Rectangular echelle reflection grating (10 x 5 inches) on glass substrate (135 x 265 mm) with cardboard box
- maker:
- Bausch and Lomb Inc
Rectangular echelle reflection grating (10 x 5 inches) on glass substrate (135 x 265 mm) with cardboard box, 300 lines per mm, and 63º 26' ' blaze angle. Made by Bausch & Lomb, Rochester, New York State, USA in 1964, Cat. No. 35-53-32-45, Serial No. 0177-4. . Used at the University Observatory, Oxford.
Details
- Category:
- Astronomy
- Object Number:
- 2001-692
- Measurements:
-
overall (case): 100 x 300 x 280 mm
- credit:
- University of Oxford (Dept of Physics)