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

designer:
Thomas Thorp
and
Henry Augustus Rowland
maker:
Thomas Thorp

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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:
brass (copper, zinc alloy), celluloid (cellulose), copper (alloy), glass, leather, metal (unknown), paper (fibre product), velvet, wood (unidentified)
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
taxonomy:
  • furnishing and equipment
  • tools & equipment
  • optical instrument
  • optical instrument component
  • diffraction grating
credit:
Thorp, T.
status:
Permanent collection

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