Concave Rowland-type diffraction grating on speculum metal
- Made:
- 1882-1899
- maker:
- Henry Augustus Rowland
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Science Museum Group
© The Board of Trustees of the Science Museum
Concave Rowland-type diffraction grating on speculum metal, grating area 88 x 42 mm, in wooden box. Unsigned, but very similar to gratings made by Brashear and Rowland. Crystalline structure visible on polished surface.
Details
- Category:
- Optics
- Object Number:
- 2000-1441
- Materials:
- speculum metal and wood
- Measurements:
-
grating block: 13 x 100 x 100 mm
box: 32 x 119 x 119 mm
- credit:
- Imperial College of Science,Technology & Medicine (Spectroscopy Group)
