 | Electricity - 1878 - 558 pages
...sound, of whatever character, at a distance, it is evidently only necessary to throw the atmosphere at this point into vibrations precisely similar in...the original source of sound, whatever it may be. It is found that all the characteristics of sound which are appreciable by our senses depend upon three... | |
 | George Bartlett Prescott - Technology & Engineering - 1878 - 450 pages
...at a distance, it is evidently only necessary to throw the atmosphere at this point into vibration precisely similar in every respect to those which...the original source of sound, whatever it may be. It is found that all tho characteristics of sound which are appreciable by our senses depend upon three... | |
 | Institution of Electrical Engineers - Electrical engineering - 1878 - 536 pages
...sound, of whatever character, at a distance, it is evidently only necessary to throw the atmosphere at this point into vibrations precisely similar in...the original source of sound, whatever it may be. It is found that all the characteristics of sound which are appreciable by our senses depend upon three... | |
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... vibrations do not necessarily produce sound. The vibratory motions proceeding from sounding bodies are usually conducted to the ear through the medium of the atmosphere. Therefore, to produce any given sound, of whatever character, at a distance,... 