Thorps replica grating (2 1/8 x 1 3/8-inches) on glass (2 1/2 x 2-inches) of Rowlands metal diffraction grating

Thorps replica grating (2 1/8 x 1 3/8-inches) on glass (2 1/2 x

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Thorps replica grating (2 1/8 x 1 3/8-inches) on glass (2 1/2 x
Science Museum Group
© The Board of Trustees of the Science Museum

Thorps replica grating (2 1/8 x 1 3/8-inches) on glass (2 1/2 x 2-inches) of Rowlands metal diffraction grating 14535 lines to one inch, in small leather case.

Details

Category:
Optics
Object Number:
1900-122
Materials:
glass, paper (fibre product), wood (unidentified), leather, velvet, metal (unknown), copper (alloy), brass (copper, zinc alloy) and celluloid (cellulose)
Measurements:
case: 25 mm x 72 mm x 61 mm, ,
glass plate: 51 mm x 64 mm x 5 mm, ,
overall weight: x x , , .065kg
type:
diffraction grating - transmission
credit:
Thorp, T.