Rectangular reflection grating (8 x 6 inches) on glass substrate (220 x 170 mm) with cardboard box
- maker:
- Bausch and Lomb Inc
Rectangular reflection grating (8 x 6 inches) on glass substrate (220 x 170 mm) with cardboard box , 600 lines per mm, and 28º 41' ' blaze angle. Made by Bausch & Lomb, Rochester, New York State, USA in 1964, Cat. No. 35-53-28-55, Serial No. 921-5. Used at the University Observatory, Oxford.
Details
- Category:
- Astronomy
- Object Number:
- 2001-691
- Measurements:
-
overall (case): 100 x 300 x 280 mm
- credit:
- University of Oxford (Dept of Physics)