Rectangular replica reflection grating (8 x 6 inches) on glass substrate (135 x 265 mm) with wooden case
- maker:
- Bausch and Lomb Inc
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Rectangular replica reflection grating (8 x 6 inches) on glass substrate (135 x 265 mm) with wooden case, 600 lines per mm, and 13º ' blaze angle. Made by Bausch & Lomb, Rochester, New York State, USA in 1957, Cat. No. 35.53.27.35, Serial No. 233A7. Separate note indicates that the grating was used with the South Tower echelle at the University Observatory, Oxford.
Details
- Category:
- Astronomy
- Object Number:
- 2001-690
- Measurements:
-
overall (case): 100 x 240 x 295 mm
- credit:
- University of Oxford (Dept of Physics)
