London Journal of Arts and Sceinces: And Repertory of Patent Inventions, Band 3William Newton, Charles Frederick Partington W. Newton, 1821 |
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... levers , extend sixteen feet from the circumference of the whelps or barrel . It is evident , the power will then be as four to one : sixteen the lever , divided by four , the diameter of the barrel gives that sum . Let the whelps be ...
... levers , extend sixteen feet from the circumference of the whelps or barrel . It is evident , the power will then be as four to one : sixteen the lever , divided by four , the diameter of the barrel gives that sum . Let the whelps be ...
Seite 77
... lever g ; this upper lever moving upon a fulcrum in the standard c . , works the pump rod h . In order to put this apparatus in action , a man is to be seated upon a tranverse bar or rail i , shewn by dots near the end of the lever a ...
... lever g ; this upper lever moving upon a fulcrum in the standard c . , works the pump rod h . In order to put this apparatus in action , a man is to be seated upon a tranverse bar or rail i , shewn by dots near the end of the lever a ...
Seite 175
... levers return the wedge to its place ; wherefore I have styled my said communication , a spiral lever , or rotatory standard press . ” Plate XI . fig . 5 , is a perspective view of a press upon this principle ; a , a , a , is a cast ...
... levers return the wedge to its place ; wherefore I have styled my said communication , a spiral lever , or rotatory standard press . ” Plate XI . fig . 5 , is a perspective view of a press upon this principle ; a , a , a , is a cast ...
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acid ammonia animal apparatus appears applied attached axle blow-pipe boiler bolt bottles bottom brass capstan carbonate carbonic acid carriage cast iron chlorine colours communicated condensed conj connected consists construction contrivance copper crank cylinder described diameter Diff drawing Ecliptic edge effect elastic employed engine engravings equal feet fixed frame friction frisket green tea heat hinge-joints horse hyæna improved inches inclined plane inking invention Journal of Arts lever loco-motive London London Journal Lower Edmonton machine manufacture means metal method Middlesex mode months for inrolment Moon motion mould moveable observations obtained operation paper passing Patent pieces pipes piston placed plates present printing produced purpose quantity rail road rocket rollers rotatory round Royal screw Sealed shewn shews side Society spindle spring steam steam-engine surface tion valves vessel waggons weight WESTLEY RICHARDS wheel whelps