Replica reflection grating on glass base 4 x 3 x 1
Replica reflection grating on glass base 4 x 3 x 1/2-inches (3600 lines/inch). Made from a ruled cylinder using Merton's method, vacuum-coated with aluminium, from National Physics Laboratory, Teddington, London, c. 1950
- Object Number:
- furnishing and equipment
- tools & equipment
- optical instrument
- optical instrument component
- diffraction grating
- National Physical Laboratory.
- Permanent collection
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