Replica concave diffraction grating, area 45 x 15

Made:
1913, 14 November
designer:
Thomas Thorp

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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:
brass, glass, metal foil and wood
Measurements:
mounting block: 16 x 70 x 70 mm
glass disc: 3 x 51 mm
type:
diffraction grating - reflection
taxonomy:
  • furnishing and equipment
  • tools & equipment
  • optical instrument
  • optical instrument component
  • diffraction grating
credit:
Imperial College of Science,Technology & Medicine (Spectroscopy Group)

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