Replica plane diffraction grating, area 17 x 16 mm

Made:
1900-1919 (estimated)
designer:
Thomas Thorp

Replica plane diffraction grating, area 17 x 16 mm, mounted on glass plate: inscription in white ink on black tape round sides of plate reads 'With T. Thorp's compliments / Thorp's Echelon Grating / 1000 grooves to inch'.

Details

Category:
Optics
Object Number:
2000-1461
Materials:
glass and paper
Measurements:
grating 2, overall: 1.5 x 53 x 38 mm
grating 1, overall: 1.5 x 48 x 39 mm
type:
diffraction grating - echelon
taxonomy:
  • furnishing and equipment
  • tools & equipment
  • optical instrument
  • optical instrument component
  • diffraction grating
credit:
Imperial College of Science,Technology & Medicine (Spectroscopy Group)