Perpetual Motion: The History of an Obsession |
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Page 31
... device to accumulate these changes until a sensible effect could be produced and useful work obtained . Such a device , postulated the physicists seventy and eighty years ago , may be termed a perpetual motion machine of the second kind ...
... device to accumulate these changes until a sensible effect could be produced and useful work obtained . Such a device , postulated the physicists seventy and eighty years ago , may be termed a perpetual motion machine of the second kind ...
Page 91
... device one afternoon and reported that the device was shown off to perfection , driving lathes , sawing timber and operating other machinery the moment a connection was made with a small battery of four cells . On the face of it , the ...
... device one afternoon and reported that the device was shown off to perfection , driving lathes , sawing timber and operating other machinery the moment a connection was made with a small battery of four cells . On the face of it , the ...
Page 218
... device is a specially wrought coil spring suspended vertically and provided with a weight fixed at its lower end . Unlike the normal swinging pendu- lum , this one moves up and down and it puts into practice the fact that when a coil ...
... device is a specially wrought coil spring suspended vertically and provided with a weight fixed at its lower end . Unlike the normal swinging pendu- lum , this one moves up and down and it puts into practice the fact that when a coil ...
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