A new method for measuring the velocity of sound over short distances has been devised in which sixty pulses per second cause a sinusoidal curve to appear upon an oscilloscopic screen. As the receiving microphone is moved away from the sound oscillator, the crest of the sine curve moves across the o
The velocity of sound
โ Scribed by R.C. Colwell; A.W. Friend; D.A. McGraw
- Publisher
- Elsevier Science
- Year
- 1939
- Tongue
- English
- Weight
- 195 KB
- Volume
- 227
- Category
- Article
- ISSN
- 0016-0032
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THE elastic wave in. the atmosphere caused by the explosion of Krakatoa on August 27, 1883, travelled, as is well known, several times around the earth at the average velocity of about 315 metres per second. That is, at a velocity that averaged about sixteen metres per second less than that of sound