Tyndall, John, 1820-1893 · New York : Appleton · leaf 210
rations to which each re-sounds being placed above it. What is the physicalmeaning of this very won-derful effect ? To solve thisquestion we must revive ourknowledge of the relationof the motion of the forkitself to the motion of thesonorous wave produced bythe fork. Supposing a prongof this fork,… … Via. 91. 256
Sound
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