Perpetual Motion: The History of an Obsession |
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Page 48
... discs of wood , each drilled with a matching set of concentric holes near the perimeter . The discs , usually with square centre bores to aid fixing and to transmit rotary motion , were mounted on a shaft separated by a gap of as much ...
... discs of wood , each drilled with a matching set of concentric holes near the perimeter . The discs , usually with square centre bores to aid fixing and to transmit rotary motion , were mounted on a shaft separated by a gap of as much ...
Page 166
... discs , until you had a pile of discs , an electric current could be produced . Volta's voltaic or column pile was the forerunner of the familiar dry battery of today . In subsequent years , numerous inventors experimented with the ...
... discs , until you had a pile of discs , an electric current could be produced . Volta's voltaic or column pile was the forerunner of the familiar dry battery of today . In subsequent years , numerous inventors experimented with the ...
Page 167
... discs of flint , the surfaces of which had been rubbed with the adjacent metal . Each disc was separated by gilt paper which had been soaked in a weak salt solution and then allowed to dry . Behrens made dry piles from 1803 onwards but ...
... discs of flint , the surfaces of which had been rubbed with the adjacent metal . Each disc was separated by gilt paper which had been soaked in a weak salt solution and then allowed to dry . Behrens made dry piles from 1803 onwards but ...
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