Replica concave diffraction grating
- Made:
- 1913, 14 November
- designer:
- Thomas Thorp
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Science Museum Group
© The Board of Trustees of the Science Museum
Replica concave diffraction grating, area 45 x 15 mm approx., made by sticking a metal foil replica grating on the back of a concave glass disc. Markings scratched on the protective black paint on the back of the disc read 'Thorp's replica of grating / about 15100 lines per / inch / T. T. / 14/11/13'. The disc clips into a square wooden block.
Details
- Category:
- Optics
- Object Number:
- 2000-1464
- Materials:
- glass, metal foil, wood and brass
- Measurements:
-
mounting block: 16 x 70 x 70 mm
glass disc: 3 x 51 mm
- credit:
- Imperial College of Science,Technology & Medicine (Spectroscopy Group)
