Elements of natural philosophy (Volume 2-3) (1850)
Bartlett, W. H. C. (William Holms Chambers), 1804-1893 · New York : Barnes · leaf 353
s will depend up-on the inclination of theprincipal sections to eachother. To avoid complica-tion, let us suppose thewave moving along P e, tobe arrested by sticking apiece of wafer to the lowersurface of the first crystalat e\ then will the intensi-ties of the portions intowhich the wave…
Mechanics · Acoustics · Optics
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