 ... to counteract the retarding effects of friction and the resistance of the air. The wheels show how many swings or beats of the pendulum have taken place, because at every beat, a tooth of the last wheel is allowed to pass. Now, if this wheel...  Youth's Book of Natural Philosophy - Seite 71von John Lee Comstock - 1838 - 258 SeitenVollansicht - Über dieses Buch
 | Neil Arnott - 1827 - 692 Seiten
...wheel-work, to count the number of the vibrations, and with a weight or spring that has force enough to counteract the retarding effects of friction and the resistance of the air. The wheels shew how many beats of the pendulum have taken place, because at every beat, a tooth of the last wheel... | |
 | Neil Arnott - 1829 - 542 Seiten
...attached to it, to record the number of the vibrations, and with a weight or spring having force enough to counteract the retarding effects of friction and...swings or beats of the pendulum have taken place, because at every beat, a tooth of the last wheel is allowed to pass. Now if this wheel has sixty teeth,... | |
 | 1831 - 472 Seiten
...attached to it, to record the number of the vibrations ; and with a weight or spring, having force enough to counteract the retarding effects of friction and...swings or beats of the pendulum have taken place, because at every beat, a tooth of the lust wheel is allowed to pass. Now, if this wheel has sixty teeth,... | |
 | John Timbs - 1831 - 302 Seiten
...whether it be moving much or little ; that is to say, whether the arc described by it be large or small. resistance of the air. The wheels show how many swings or beats of the pendulum have taken place, because at every beat, a tooth of the last wheel is allowed to pass. Now, if this wheel has sixty teeth,... | |
 | Charles Knight - 1831 - 324 Seiten
...attached to it, to record the number of the vibrations ; and with a weight orspring, having force enough to counteract the retarding effects of friction and the resistance of the air. The wheels show how ninny swings or beats of the pendulum have taken place, because at every beat, a tooth of the last... | |
 | John Timbs - 1832 - 300 Seiten
...attached to it, to record the number of the vibrations ; and with a weight or spring, having force enough to counteract the retarding effects of friction and...swings or beats of the pendulum have taken place, because at every beat, a tooth of the last wheel is allowed to pass. Now, if this wheel has sixty teeth,... | |
 | John Timbs - 1832 - 314 Seiten
...attached to it, to record the number of the vibrations ; and with a weight or spring, having force enough to counteract the retarding effects of friction and...swings or beats of the pendulum have taken place, because at every beat, a tooth of the last wheel is allowed to pass. Now, if this wheel has sixty teeth,... | |
 | John Timbs - 1832 - 362 Seiten
...attached to it, to record the number of the vibrations ; and with a weight or spring, having force enough to counteract the retarding effects of friction and the resistance of the air. The wheels show how mnny swings or beats of the pendulum have taken place, because at every beat, a tooth of the last wheel... | |
 | John Timbs - 1832 - 332 Seiten
...attached to it, to record the number of the vibrations ; and with a weight or spring, having force enough to counteract the retarding effects of friction and the resistance of the air. The wheels show how'many swings or beats of the pendulum have taken place, because at every beat, a tooth of the last... | |
 | Francis Lieber, Edward Wigglesworth, Thomas Gamaliel Bradford, Henry Vethake - 1832 - 626 Seiten
...pendulum with wheel-work attached to it, to record the number of vibrations, anil with a weight or spring to counteract the retarding effects of friction and the resistance of the air. Huygens, who developed the doctrine of the pendulum, which had been treated already by Galileo, first... | |
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