Perpetual Motion: The History of an Obsession |
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Page 61
... driving the Persian wheel by a horse and whin . This device was a crude version of an instrument known to and described by Vitruvius in 50 BC and even then was derived from Egypt . This was the tympanum used for draining land and it was ...
... driving the Persian wheel by a horse and whin . This device was a crude version of an instrument known to and described by Vitruvius in 50 BC and even then was derived from Egypt . This was the tympanum used for draining land and it was ...
Page 78
... driving levers , and are so nicely arranged , that those on the downward grade being two - thirds heavier than those on the upward grade in action , that a natural falling of the weights on the former grade insures perpetual motion ...
... driving levers , and are so nicely arranged , that those on the downward grade being two - thirds heavier than those on the upward grade in action , that a natural falling of the weights on the former grade insures perpetual motion ...
Page 188
... driving ones . The reason for this was to allow space for the balls to drop on the drive side , but at the same time to allow the transfer of the ball from wheel to wheel on the return side . This meant that each ball on the return side ...
... driving ones . The reason for this was to allow space for the balls to drop on the drive side , but at the same time to allow the transfer of the ball from wheel to wheel on the return side . This meant that each ball on the return side ...
Contents
Introduction | 15 |
What is Perpetual Motion? | 19 |
Elementary Physics and Perpetual Motion | 27 |
Copyright | |
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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 friction fuel Garabed Giragossian glass 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 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 Second Law self-moving wheel shaft side steam Stevinus strange temperature thing thought tion tube turn uranium 235 uranium 238 valve waterwheel weights winding Zimara