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 120
... driving force behind Cox's Perpetual Motion had to contain 150 lb. of mercury instead of just the small quantity com- monly used in a mercury barometer . Had the aneroid barometer been available to Cox ( it was invented by Vidi and ...
... driving force behind Cox's Perpetual Motion had to contain 150 lb. of mercury instead of just the small quantity com- monly used in a mercury barometer . Had the aneroid barometer been available to Cox ( it was invented by Vidi and ...
Page 212
... driving mechanisms but the per- petual motionist has long tried to find a way of winding his weight or spring up again automatically . James Cox succeeded admirably with his clock . Not so the inven- tor of this system who suggested ...
... driving mechanisms but the per- petual motionist has long tried to find a way of winding his weight or spring up again automatically . James Cox succeeded admirably with his clock . Not so the inven- tor of this system who suggested ...
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 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