Echelon spectroscope

Made:
1905 in London
maker:
Adam Hilger Limited

Echelon spectroscope, with wave length drum (Prism and Echelon grating chipped) by Adam Hilger Ltd., London, England, 1905, comprised of two units: constant deviation spectrometer and echelon grating.

Details

Category:
Optics
Object Number:
1905-127
Materials:
metal, steel, cast iron, brass (copper, zinc alloy) and glass
Measurements:
overall: 410 mm x 1330 mm x 560 mm, , 21.42kg
grating: 410 mm x 790 mm x 290 mm, , 11.445kg
spectrometer: 410 mm x 540 mm x 560 mm, , 9.975kg
type:
spectroscope - echelon, spectroscope - spectrometer, diffraction grating - echelon and prism
credit:
Adam Hilger Limited