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
- credit:
- Adam Hilger Limited