| 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... | |
| 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... | |
| 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.... | |
| 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... | |
| 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... | |
| John Tyndall - 1875 - 420 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 - 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... | |
| 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... | |
| |