 ... the present we have used the fork above described only. It was chosen because it was fairly stiff, and as removable metal mirrors for the production of Lissajous' figures were attached to its prongs, it was possible to replace them by the glass mirror...  Philosophical Magazine - Pàgina 3211895Visualització completa - Sobre aquest llibre
 | 1895 - 614 pàgines
...be kept hovering about the required pitch for a considerable time. Although with the aid of Kb'nig's large forks we could apply this method to vibration-frequencies...of the thread instead of the directing force of the magnets. He exhibited the apparatus during a lecture delivered before the British Association in Leeds.... | |
 | Royal Institution of Great Britain - 1896 - 740 pàgines
...mirror, which is set where the motion is greatest, inclined at 45° to the direction of the air currents. In accordance with the general law that a lamina tends...movement was controlled by magnets. Since that date Prof. Boys has modified the instrument by substituting a quartz thread suspension for a silk fibre,... | |
 | Institute of Physics and the Physical Society - 1895 - 768 pàgines
...it was possible to replace them by the glass mirror and square of wood without altering its pitch. It would be quite possible to use properly made forks...of the thread instead of the directing force of the magnets. He exhibited the apparatus during a lecture delivered before the British Association in Leeds.... | |
 | 1895 - 668 pàgines
...it was possible to replace them by the glass mirror and square of wood without altering its pitch. It would be quite possible to use properly made forks...of the thread instead of the directing force of the magnets. He exhibited the apparatus during a lecture delivered before the British Association in Leeds.... | |
| |
