Perpetual Motion: The History of an Obsession |
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Page 81
... pulleys BB and round two guide wheels C and D. The upper pulley C is thus made to rotate in the opposite direction to the flywheel and the shaft of the pulley rotates so as to drive the edge of the flywheel . The rotation of wheel C was ...
... pulleys BB and round two guide wheels C and D. The upper pulley C is thus made to rotate in the opposite direction to the flywheel and the shaft of the pulley rotates so as to drive the edge of the flywheel . The rotation of wheel C was ...
Page 107
... pulley mounted some distance above the tube . The curved lower portion of the J - tube ( Fig . 71 ) served as a bottom pulley or guide to the system , and the tapered end closed on to the rope so that it rendered a leak - proof seal ...
... pulley mounted some distance above the tube . The curved lower portion of the J - tube ( Fig . 71 ) served as a bottom pulley or guide to the system , and the tapered end closed on to the rope so that it rendered a leak - proof seal ...
Page 116
... pulley or sprocket wheel to take an endless chain . This chain passes over pulleys UU , under the two lower ones S and s , then over the pulleys VV , and over the axis of the large wheel R by which the movement of the clock is effected ...
... pulley or sprocket wheel to take an endless chain . This chain passes over pulleys UU , under the two lower ones S and s , then over the pulleys VV , and over the axis of the large wheel R by which the movement of the clock is effected ...
Contents
Introduction | 15 |
What is Perpetual Motion? | 19 |
Elementary Physics and Perpetual Motion | 27 |
Copyright | |
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Common terms and phrases
ammonia appeared Archimedean screw atoms Bishop Wilkins Böckler boiler bottom buckets centre century chain claims clock clockwork Coleman Sellers conservation of energy continue Cox's crank demonstrated descending described device discovered discovery discs driving dry pile electricity engine exhibition experiment flywheel force Franklin Institute fraud friction fuel Garabed Giragossian gravity heat hollow impossible inclined plane invention inventor Keely's lamp Law of thermodynamics levers liquid lodestone magnets means mechanism mercury move Museum natural once operation Orffyreus overbalancing Patent Office pendulum perpetual motion machine perpetual motion seekers perpetual motionists Perpetuum Mobile petual motion Philadelphia philosopher physicist piece possible pressure principle probably produced Professor published pulley pump radium reactor Redheffer Rolling Ball Clock rotation scheme scientists Second Law self-moving wheel shaft side steam Stevinus strange temperature thing thought tion tube turn uranium 235 valve waterwheel weights winding Zimara