Baly, E. C. C. (Edward Charles Cyril), b. 1871 · London, Longmans, Green · leaf 371
905). » Ann. d. Physih, 2. 269 (1906). INTERFERENCE METHODS IN SPECTROSCOPY 353 by Barnes; this is a reflecting instrument, and is shownin Fig. 138. It consists of two perfectly plane parallelpieces of glass; the under surface of the upper plate is heavilysilvered and carefully polished, while the… … Fig. 138. silver plates, we have transmitted a number of rays whose pathdifferences are in arithmetical progression. The rays escapingthrough the lower plate are focussed by a lens, and the inter-ference fringes are examined in the focal plane. The twoplates are mounted upon an interferometer…
Spectrum analysis
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