The telephone: an account of the phenomena of electricity, magnetism, and sound, as involved in its action (1877)
Dolbear, A[mos] E[merson], 1837- [from old catalog] · Boston, Lee & Shepard; New York, C. T. Dillingham · leaf 103
mpound wave, and better show theform of a transverse section of such a sound-wavein the air. The organ-pipe called the principalgives out such a compound wave as is seen byreferring to the table on p. 91. The secondovertone, however, is quite weak in that pipe,which would so modify the form as to… … tions and rarefactions, which may strengtheneach other, or so interfere as to change the posi-tion of both; as is seen in the figure at £, wherethe condensation due to wave 2 interferes withthe rarefaction of 3. CORRELA TION. 99 CORRELATION. Having treated at some length of the three fac-tors…
Telephone
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