Perpetual Motion: The History of an Obsession |
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Page 58
... Overbalancing Weights It is safe to say that all attempts at perpetual motion in the Middle Ages concerned the wheel which would ' turn of itself ' . That the wheel should be so involved in the myth and magic of primitive perpetual ...
... Overbalancing Weights It is safe to say that all attempts at perpetual motion in the Middle Ages concerned the wheel which would ' turn of itself ' . That the wheel should be so involved in the myth and magic of primitive perpetual ...
Page 63
... overbalancing those on the other . To get the mallets into this desir- able position , the top one on the descending side has evidently been made to fall over before its shaft has become vertical . So long as this occurs with every ...
... overbalancing those on the other . To get the mallets into this desir- able position , the top one on the descending side has evidently been made to fall over before its shaft has become vertical . So long as this occurs with every ...
Page 77
... overbalanced wheel , rather than the other way round . A variation on the wheel with overbalancing weights was the wheel driven by a pendulum . Some of these were electro - magnetic devices , but all relied on the swing of the pendulum ...
... overbalanced wheel , rather than the other way round . A variation on the wheel with overbalancing weights was the wheel driven by a pendulum . Some of these were electro - magnetic devices , but all relied on the swing of the pendulum ...
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