Concave diffraction grating
Brashear, John A.
Institute of Astronomy
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Brashear, J. A. (1920). Concave diffraction grating [digital image]. https://www.repository.cam.ac.uk/handle/1810/245224
Image is for object identification only.
A lined concave diffraction grating. Lined surface 145x50 mm.
diffraction gratings, astronomical instruments, spectrographs, spectroscopy
Brashear died 1920, so some time before this, late 19th cent.?
This record's URL: https://www.repository.cam.ac.uk/handle/1810/245224
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