 | John Tyndall - 1867 - 374 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... | |
 | John Tyndall - 1867 - 372 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... | |
 | John Tyndall - 1869 - 386 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.... | |
 | M. J. Williamson - 1873 - 450 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... | |
 | M. J. Williamson - 1873 - 416 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... | |
 | John Tyndall - 1875 - 466 páginas
...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.... | |
 | Alexander Wilford Hall - 1878 - 300 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... | |
 | Marcellus John Thompson - 1887 - 232 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... | |
| |
... 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... 