Perpetual Motion: The History of an Obsession |
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Page 79
... shaft is at right - angles to the cross arm on the second shaft . The pendulum weights are intended to operate in the usual manner , namely affording more purchase on one half of their revolution than on the other and the resulting ...
... shaft is at right - angles to the cross arm on the second shaft . The pendulum weights are intended to operate in the usual manner , namely affording more purchase on one half of their revolution than on the other and the resulting ...
Page 131
... shaft . These pieces of glass can be removed , and apparently the vertical shaft of the main wheel and the shaft carry- ing the driven pinion rest upon this glass , being steadied only by the yoke , but , in point of fact , the glass ...
... shaft . These pieces of glass can be removed , and apparently the vertical shaft of the main wheel and the shaft carry- ing the driven pinion rest upon this glass , being steadied only by the yoke , but , in point of fact , the glass ...
Page 132
... shaft of ' a principal wheel ' . There were but two wheels in the device , the large one and a lantern pinion on an upright shaft into which it meshed . In the Philadelphia exhibition , according to Sellers , this shaft ostensibly gave ...
... shaft of ' a principal wheel ' . There were but two wheels in the device , the large one and a lantern pinion on an upright shaft into which it meshed . In the Philadelphia exhibition , according to Sellers , this shaft ostensibly gave ...
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