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Mechanical Appliances and Novelties of Construction
by
Gardner D. Hiscox, M.E.
Norman W. Henley Publ. Co.
1927

The Inventor's Paradox - Desaguliers' Demonstration
The Prevailing Wheel Type
Marquis Of Worcester Wheel
Rolling Balls
Folding Arms
Chain Wheel
Most Common Idea
Magnetism And Gravity
Pick-up Ball
Ball-Carrying Belt
Ferguson's Type
French, 1858
Revolving Tubes And Balls
Geared Motive Power
Differential Hydrostatic Wheel
Lever Type
Double Cone
Rocking Beam
Titling Tray And Ball
Rolling Ring
Differential Water Wheel
Multiple Water Wheel
Gear Problem
Mercurial Wheel
Water Wheel
Air-Bag Wheel
Water Wheel
Air Transfer In Submerged Wheel
Extending Weights And Water Transfer
Chain Buckets
Congreve's Sponges
Transfer Of Air
Differential Weight of Balls
Inclined Disk And Balls
Self-Moving Water Power
Chain Pump, 1618
Archimedean Screw
Differential Weight By Flotation
Floatation Problem
Liquid Transfer Wheel
Chain-Pump
Mercurial Displacement
Air-Buoyed Wheel
Magnetic Resistance
Overbalanced Cylinder
Hydrostatic Weight
Capillary Attraction
Magnetic Pendulum
Magnetic Wheel
Magnetic Mill
Regenerating Pendulum
Magnetic Wheel
Alternate Magnet Type
Electro-magnetic Type
Electrical Generation
Perpetual-Motion Puzzle



23. Perpetual Motion
The lever type

     The central weights, A, each weigh one-fourth more than the weights, B, at the extremities of the arms. The two sets of weights are connected pairs, each pair being joined by a lever, link, and bell crank C. The action of gravity in the central weights compels the sliding weights at the ends of the arms to assume the positions shown in the engraving.

Perpetual Motion Machine: 930-LeverType
     
     Had this inventor applied a little mathematical calculation to the verification of the truth or falsity of the principle of his device, he might easily have proved that it was a perfect balance, and saved himself both trouble and expense. The leverage of the outside is exactly counteracted by the leverage of the inside weights.

(Subsection 930, from p.372)


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