Elements of natural philosophy (Volume 2-3) (1850)
Bartlett, W. H. C. (William Holms Chambers), 1804-1893 · New York : Barnes · leaf 79
riginal dis-turbance of a single molecule. Thus,in the wave front A B, a moleculeat x becomes a new centre of dis-turbance as soon as the wave frontreaches it; and if with a radiusequal to V.t a circle be described,this circle will represent a section Cof the spherical wave front proceed-ing from… … ELEMENTS OF ACOUSTICS. 71 having equal radii, and the larger circle A! B Construction of ,, . , resultant wave tangent to ail these smaller circles, will obviously be a front;section of the main wave front at the expiration of theinterval t, after it was at A B. Any molecule situatedat the…
Mechanics · Acoustics · Optics
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