condensation and rarefaction, 2
Fig. 14.—Transverse Vibrations
Elementary treatise on natural philosophy, based on the Traité de physique of Augustin Privat-Deschanel, by J. D. Everett. Part IV. Sound and Light. Thirteenth Edition. New York, 1900.
12 November 2012
tags: alphabet; propagation in an open space; sound; undulations; waves; Augustin Privat-Deschanel