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Libros Libros 1 - 8 de 8 sobre ... most powerfully resounds to this fork ? By measurement with a two-foot rule I...
" ... most powerfully resounds to this fork ? By measurement with a two-foot rule I find it to be 13 inches. But the length of the wave emitted by the fork is 52 inches ; hence the length of the column of air which resounds to the fork is equal to one-fourth... "
The Problem of Human Life: Embracing the "evolution of Sound" and "evolution ... - Página 271
por Alexander Wilford Hall - 1883 - 524 páginas
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Sound

John Tyndall - 1867 - 335 páginas
...52 inches; hence the length of the column of air which resounds to the fork is equal to one-fourth of the length of the wave produced by the fork. This...illustrated by any other of the forks instead of this one. Figure, then, to your minds the prong, vibrating between the limits a and b, placed over its resonant...
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Sound

John Tyndall - 1867 - 335 páginas
...52 inches ; hence the length of the column of air which resounds to the fork is equal to one-fourth of the length of the wave produced by the fork. This...illustrated by any other of the forks instead of this one. Figure, then, to your minds the prong, vibrating between the limits a and b, placed over its resonant...
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Sound, 8 lectures

1869 - 341 páginas
...of air which FIG. 90. V resounds to the fork is equal to one-fourth of the length of the sound-wave produced by the fork. This rule is general, and might...illustrated by any other of the forks instead of this one. Let the prong, vibrating between the limits a and 6, be placed over its resonant jar, AB, fig. SO....
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Modern Diabolism: Commonly Called Modern Spiritualism; with New Theories of ...

M. J. Williamson - 1873 - 401 páginas
...two-foot rule I find it to be thirteen inches. But the length of the wave emitted by the fork is fifty-two inches ; hence the length of the column of air which...illustrated by any other of the forks instead of this one. " Figure, then, to your minds the prong, vibrating between the limits a and 6, placed over its resonant...
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Modern Diabolism: Commonly Called Modern Spiritualism; with New Theories of ...

M. J. Williamson - 1873 - 401 páginas
...fifty-two inches ; hence the length of the column of air which resounds to the fork is equal to one-fourth of the length of the wave produced by the fork. This...illustrated by any other of the forks instead of this one. " Figure, then, to your minds the prong, vibrating between the limits a and i, placed over its resonant...
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Sound, 8 lectures

John Tyndall - 1875
...is equal to oneFra. 93. fourth of the length of the soundi .... « wave produced by the fork. This A rule is general, and might be illustrated by any other of the forks instead of this one. Let the prong, vibrating between the limits a and 6, be placed over its resonant jar, AB, fig. 93....
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Evolution of Sound: Part of the Problem of Human Life Here and Hereafter ...

Alexander Wilford Hall - 1878 - 527 páginas
...fork? By measurement with a two-foot rule I find it to be thirteen inches. But the length of the wave emitted by the fork is 52 inches ; hence, the length...eminent acoustician of Brooklyn, NY, an accurately tuned, tested, and stamped tuning-fork, having exactly 256 vibrations in a second, that there should...
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"Evolution of Sound" Evolved: A Review of the Article Entitled "The Nature ...

Marcellus John Thompson - 1887 - 190 páginas
...is 52 inches, hence the length of the column of air which resounds to the fork is equal to onefourth of the length of the wave produced by the fork. This...illustrated by any other of the forks instead of this one." — p. 277. On this Dr. Hall remarks : "Those having access to the Lectures on Sound will observe that...
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