 | Alexander Wilford Hall - 1878 - 300 páginas
...actuating body. I have carefully tested this in the following manner: I arranged two pendulum balls, with very short rods of equal length, to cause rapid...their swings were in perfect synchronism, moving with tuiice the aggregate velocity of a tuning-fork's prongs, and although they were so near together that... | |
 | Alexander Wilford Hall - 1883 - 552 páginas
...actuating body. I have carefully tested this in the following manner: I arranged two pendulum balls, with very short rods of equal length, to cause rapid...synchronism, moving with twice the aggregate velocity of a tuning-fork's prongs, and although they were so near together that the air-disturbances caused by the... | |
 | Alexander Wilford Hall - 1877 - 546 páginas
...actuating body. I have carefully tested this in the following manner: I arranged two pendulum balls, with very short rods of equal length, to cause rapid...rest Though their swings were in perfect synchronism, miming with twice the aggregate velocity of a tuning-fork's prongs, and although they were so near... | |
 | John I. Swander - 1886 - 372 páginas
...which reaches the distant unbowed fork, and has nothing whatever to do with the supposed air-waves sent against the distant fork or its resonant case.*...synchronism, moving with twice the aggregate velocity of a tuning-fork's prongs, and although they were so near together that the air-disturbances caused by the... | |
 | John I. Swander - 1887 - 110 páginas
...which reaches the distant unbowed fork, and has nothing whatever to do with the supposed air-waves sent against the distant fork or its resonant case.*...synchronism, moving with twice the aggregate velocity of a tuning-fork's prongs, and although they were so near together that the air-disturbances caused by the... | |
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... tone is produced by these vibrations no motion whatever will be communicated to the unison neighbor, though it necessarily and continuously receives the synchronous air- waves driven against it by the actuating body. I have carefully tested this in... 