Sound : an elementary text-book for schools and colleges (1913)
Capstick, John Walton, 1858- · leaf 210
of an experiment describedin Chapter II. It was shewn there that when a tuning-forkwith a light style attached to one of its prongs is drawn overa piece of smoked paper, or, what amounts to the same thing,the paper is drawn under the fork, a wavy line is tracedon the paper. One wave-length of the… … Fig. 95 It is evident that the experiment could not be carried outconveniently in this simple form. A better form is shewn inFig. 95. 200 ACOUSTICAL MEASUREMENTS [CH. XII ^ is a cylindrical drum covered with smoked paper onwhich the fork B traces a curve by means of an aluminiumstyle. The drum is…
Sound
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