Perpetual Motion: The History of an Obsession |
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Page 44
... cranks and also flywheels . What is more important to us is the fact that Agricola illustrates the double crank of which Zimara appears to have had no know- ledge . Agricola also shows an immense bellows operated by a lever and used for ...
... cranks and also flywheels . What is more important to us is the fact that Agricola illustrates the double crank of which Zimara appears to have had no know- ledge . Agricola also shows an immense bellows operated by a lever and used for ...
Page 88
... crank which was connected to the moving contact of an electro - magnet . When the circuit to the magnet was closed , the magnetic attraction was to pull a connecting rod and turn the wheel . As the wheel rotated , two carbon brushes ...
... crank which was connected to the moving contact of an electro - magnet . When the circuit to the magnet was closed , the magnetic attraction was to pull a connecting rod and turn the wheel . As the wheel rotated , two carbon brushes ...
Page 129
... crank motion ! ' He had noticed that the machine must be being moved by a crank manually operated since this is extremely diffi- cult to operate at an even speed and therefore the velocity is un- equal during a revolution . A practised ...
... crank motion ! ' He had noticed that the machine must be being moved by a crank manually operated since this is extremely diffi- cult to operate at an even speed and therefore the velocity is un- equal during a revolution . A practised ...
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