Gage, Alfred P. (Alfred Payson), 1836-1903 · Boston, London, Ginn · leaf 206
posed of condensations and rarefactions;and the greater the elasticity, the greater the facility andrapidity with which a medium transmits waves. 154. Air as a medium of tvave-motion. Experiment 4. — Place a candle flame at the orifice a of the long tintube A (Fig. 158) and strike the table a sharp… … Fig. 158. Is the motion transferred that of a current of air through the tube (aminiature wind), or is it a vibratory motion ? Burn touch-paper i at theorifice 6, so as to fill this end of the tube with smoke, and repeat the lastexperiment. Evidently, if the body of the air be moved along…
Physics
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