Perpetual Motion
Percy Verance
Perpetual Motion
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English
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Perpetual Motion
CONTENTS
PREFACE.
INTRODUCTORY ESSAY
CHAPTER I DEVICES BY MEANS OF WHEELS AND WEIGHTS
Wilars de Honecort
A Repetition of Wilars de Honecort's Plan
Leonardo da Vinci
A. Capra's Device
The Device of Dixon Vallance. England, 1825
Furman's Device
Schirrmeister's Mechanical Movement
Ferguson's Device
B. Belidor's Device
Desagulier's Proposition on the Balance
A Proposition on the Balance, not taken notice of by Mechanical Writers, explained and confirmed by an Experiment.
A Proposition on the Balance, not taken notice of by Mechanical Writers, explained and confirmed by an Experiment.
John Haywood's Device
Explanation of the Failure of the Preceding Wheels and Weights Devices
CHAPTER II DEVICES BY MEANS OF ROLLING WEIGHTS AND INCLINED PLANES
Device by Mercury in Inclined Glass Tube and Heavy Ball on Inclined Plane
Series of Inclined Planes
Device by Oscillating Trough and Cannon Balls
Unpublished Incline Plane and Weights Devices Noted by the Author
CHAPTER III HYDRAULIC AND HYDRO-MECHANICAL DEVICES
Enbom & Anderson's Pump
Device of "Ed. Vocis Rationis"
Böckler's Plates
John Linley's Hydraulic Device. 1831
Device of Author of the "Voice of Reason"
An Italian Device
P. Valentine Stansel's Device. Prior to 1657
Vogel's Device
A Water Wheel-Driven Pump
"A Journeyman Mechanic's" Device
James Black's Device
Archimedean Screw and Liquid
John Sims's Problem. 1830
A Perpetual Pump, by an Unknown Inventor
Why Hydraulic and Hydro-Mechanical Devices for Obtaining Perpetual Motion Failed to Work
CHAPTER IV PNEUMATIC, SIPHON AND HYDRO-PNEUMATIC DEVICES
The Hydrostatical Paradox
Pickering's Device
Stuckey's Device
Prof. George Sinclair's Device
Jacob Brazill's Device
Läserson's Device
Von Rathen and Ellis's Device
Richard Varley's Device
Siphon and Funnel Device
Orchard's Vacuum Engine
Robert Copland's Device
Eaton's Perpetual Siphon. London. 1850
Legge's Hydro-Pneumatic Power Device. 1850
Waterblowing Machine
Device by Means of Buoyancy Through Media of Different Densities
Device by Compressible and Distensible Bags in Liquid
George Cunningham's Mercurial Pneumatic Device. Ireland. 1729
The Manner of Setting It to Work
The Manner of Setting It to Work
Why the Devices Described in this Chapter Failed to Work
CHAPTER V MAGNETIC DEVICES
A Magnetic Pendulum
Magnetic-Driven Wheel
Mackintosh's Experiment
Spence's Device
Joannis Theisneri's Semi-Circle
Device of Dr. Jacobus
CHAPTER VI DEVICES UTILIZING CAPILLARY ATTRACTION AND PHYSICAL AFFINITY
Ludeke and Wilckens's Device
The Jurin Device
Sir William Congreve
CHAPTER VII Liquid Air as a Means of Perpetual Motion
CHAPTER VIII Radium and Radio-Active Substances Considered as a Conceived Source of Perpetual Motion
CHAPTER IX Perpetual Motion Devices Attempting Its Attainment by a Misconception of the Relation of Momentum and Energy
Momentum
Energy
CHAPTER X The Alleged Inventions of Edward Sommerset, Sixth Earl and Second Marquis of Worcester, and of Jean Ernest Eli-Bessler (Councillor) Orffyreus
A Letter from Professor 's Gravesande to Sir Isaac Newton, Concerning Orffyreus's Wheel
CHAPTER XI Conservation of Energy—A Discussion of the Relation of the Doctrine of Conservation of Energy, and the Possibility of Perpetual Motion
CHAPTER XII Will Perpetual Motion Ever Be Accomplished?
The Possibility of Perpetual Motion Denied Remarks of Dr. Papin on a French Contrivance
Two "Certain" Plans for (Not) Producing Perpetual Motion
Article by Rev. John Wilkins
CHAP. IX.—Of a Perpetual Motion—The seeming facility and real difficulty of any such contrivance—The several ways whereby it hath been attempted, particularly by Chemistry.
CHAP. XIII.—Concerning several attempts of contriving a Perpetual Motion, by Magnetical Virtues.
CHAP. XIV.—The seeming probability of effecting a Continual Motion by Solid Weights in a Hollow Wheel or Sphere.
CHAP. XV.—Of composing, a Perpetual Motion by Fluid Weights—Concerning Archimedes his Water Screw—The great probability of accomplishing this enquiry by the help of that, with the fallibleness of it upon experiment.
CHAP. IX.—Of a Perpetual Motion—The seeming facility and real difficulty of any such contrivance—The several ways whereby it hath been attempted, particularly by Chemistry.
CHAP. XIII.—Concerning several attempts of contriving a Perpetual Motion, by Magnetical Virtues.
CHAP. XIV.—The seeming probability of effecting a Continual Motion by Solid Weights in a Hollow Wheel or Sphere.
CHAP. XV.—Of composing, a Perpetual Motion by Fluid Weights—Concerning Archimedes his Water Screw—The great probability of accomplishing this enquiry by the help of that, with the fallibleness of it upon experiment.
The Paradoxical Hydrostatic Balance
Discussion by P. Gregorio Fontana
Article by William Nicholson
On the Mechanical Projects for Affording a Perpetual Motion
On the Mechanical Projects for Affording a Perpetual Motion
The Possibility of Perpetual Motion Asserted
John Bernoulli's Dissertation on Perpetual Motion
Construction
Demonstration
Corollary
Construction
Demonstration
Corollary
P. Christopher Scheiner
T. H. Pasley
Article From Pamphleteer
J. Welch
Article From Mechanics' Magazine
SUMMARIZED TABLE OF CONTENTS
INDEX
Transcribers' Notes
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