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'.
- Object Number:
grating 2, overall: 1.5 x 53 x 38 mm
grating 1, overall: 1.5 x 48 x 39 mm
- furnishing and equipment
- tools & equipment
- optical instrument
- optical instrument component
- diffraction grating
- Imperial College of Science,Technology & Medicine (Spectroscopy Group)
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