Large reflection grating (8 x 5 inches) on a flat circular aluminised glass plate (11-inch)

Made:
1945-1955

Large reflection grating (8 x 5 inches) on a flat circular aluminised glass plate (11-inch) mounted in a brass stand for a optical bench spectrograph. Used with the original 12 1/2-inch aperture solar telescope at the University Observatory, Oxford, unsigned, 1945-1955.

Details

Category:
Astronomy
Object Number:
2001-698
Materials:
glass, aluminium, brass and incomplete
Measurements:
overall (estimate): 300 x 260 x 270 mm
type:
diffraction grating - reflection
credit:
University of Oxford (Dept of Physics)