Transmission diffraction grating
- Made:
- 1950-1958 in Teddington
- maker:
- National Physical Laboratory
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Transmission diffraction grating, 2 3/4-inch square, in glass passepartout, mount (3 1/4-inch lantern slide), by National Physical laboratory, Teddington, London, 1950-1958
Details
- Category:
- Optics
- Object Number:
- 1958-152
- Materials:
- glass and paper (fibre product)
- Measurements:
-
overall: 3 mm x 83 mm x 83 mm, .045kg
- credit:
- National Physical Laboratory.
