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" Imagine one of the prongs of the vibrating fork swiftly advancing ; it compresses the air immediately in front of it, and when it retreats it leaves a partial vacuum behind, the process being repeated by every subsequent advance and retreat. "
The Microcosm: The Organ of Substantial Philosophy - Page 147
1891
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Sound: A Course of Eight Lectures Delivered at the Royal Institution of ...

John Tyndall - 1867 - 372 pages
...sound is passing ? Imagine one of the prongs of the vibrating fork swiftly advancing ; it compresses the air immediately in front of it, and when it retreats...partial vacuum behind, the process being repeated by every subsequent advance and retreat. The whole function of the tuning-fork is to carve the air...
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Sound, 8 lectures

John Tyndall - 1867 - 364 pages
...front of it, and when it retreats it leaves a partial vacuum behind, the process being repeated by every subsequent advance and retreat. The whole function...the air into these condensations and rarefactions, and they, as they are formed, propagate themselves in succession through the air. A condensation with...
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Sound: A Course of Eight Lectures Delivered at the Royal Institution of ...

John Tyndall - 1867 - 404 pages
...sound is passing ? Imagine one of the prongs of the vibrating fork swiftly advancing ; it compresses the air immediately in front of it, and when it retreats...partial vacuum behind, the process being repeated by every subsequent advance and retreat. The whole function of the tuning-fork is to carve the air...
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Sound, 8 lectures

John Tyndall - 1875 - 466 pages
...obtain a beautiful interlacing of the two sinuous lines, fig. 24. Fio. 24. ยง 5. The Waves of Sound. / it retreats it leaves a partial vacuum behind, the process being repeated by every subsequent advance and retreat. The whole function of the tuning-fork is to carve the air...
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Evolution of Sound: Part of the Problem of Human Life Here and Hereafter ...

Alexander Wilford Hall - 1878 - 300 pages
...his language: โ€” "Imagine one of the prongs of the vibrating fork swiftly advancing; it compresses the air immediately in front of. it, and when it retreats it leaves a.parlial vacuum behind. " โ€” Lectures on Sound, p. 62. Of course, on the opposite side of the fork...
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The Problem of human life : embracing the "evolution of sound" and ...

Alexander Wilford Hall - 1883 - 552 pages
...siund is passing? Imagine one of the prongs of the vibrating fork swiftly advancing; it compresses the air immediately in front of it, and when it retreats...partial vacuum behind, the process being repeated by every subsequent advance and retreat. The whole function of the tuning-fork is to earve the air...
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The Problem of Human Life: Embracing the "evolution of Sound" and "evolution ...

Alexander Wilford Hall - 1877 - 546 pages
...mttsi\~-'' sound is passing? Imagine one of the prongs the vibrating fork swiftly advancing; it ecimfrti.. the air immediately in front of it, and when it retreats it leaves a partial vacuum behind, the pr cess being repeated by every subsequent advance and retreat. The whole function of the tuning-fed'...
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The Problem of Human Life: Embracing the "evolution of Sound" and "evolution ...

Alexander Wilford Hall - 1880 - 544 pages
...tuning-fork's performance, as he has described it! He tells us that when it advances it "compresses the air immediately in front of it, and when it retreats it leaves a partial vacuum behind." Now, this amounts to an unprovoked scientific slander on our atmosphere! With all its acknowledged...
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The Problem of Human Life: Embracing the "evolution of Sound" and "evolution ...

Alexander Wilford Hall - 1880 - 544 pages
...in this way : โ€” "Imagine one of the prongs of the vibrating fork swiftly advancing; it compresses the air immediately in front of it, and when it retreats it leave* a partial vacuum behind, the process being repeated at every subsequent advance and retreat....
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Musical accoustics; or, The phenomena of sound as connected with music

John Broadhouse - 1881 - 456 pages
...sound is passing? Imagine one of the prongs of the vibrating fork swiftly advancing ; it compresses the air immediately in front of it, and when it retreats...partial vacuum behind, the process being repeated by every subsequent advance and retreat. The whole function of the tuning-fork is to carve the air...
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