Baly, E. C. C. (Edward Charles Cyril), b. 1871 · London, Longmans, Green · leaf 344
ts are of twokinds, one a rapid and coarse adjustment, and the other a veryfine and slow adjustment. The fine adjustments in each caseare obtained by the pressure of a small rubber bag full of wateragainst steel plates ; this method is capable of giving extra-ordinarily small movements. L and L… … INTERFERENCE METHODS IN SPECTROSCOPY 32? the other is very nearly plane. The two faces of each disc arenot parallel to one another, but enclose an angle of about i,so as to evade any possibility of interference being set up bythe glass discs themselves. L, which is next to the observer, can be…
Spectrum analysis
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