General catalogue of the manufactures of Adam Hilger, Ltd (1928)
Hilger, Adam · London EN · leaf 14
Wavelength Spectrometers WAVELENGTH SPECTROMETER, Constant Deviation Type (Large Model). … Fie. D 9. Wavelength Spectrometer, Constant Deviation type, large Model.—This instrument (Fig. D 9) reads with an average accuracy of about 1 Angstrom unit, from 888*8 to 795-0 w in wavelengths direct. The principles of its construction are the same as that of the smaller model, but it is larger…
Spectrometer
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
