Henry Dircks

CONTENTS

PREFACE.

INTRODUCTORY ESSAY

CHAPTER I DEVICES BY MEANS OF WHEELS AND WEIGHTS Wilars de Honecort

CHAPTER II DEVICES BY MEANS OF ROLLING WEIGHTS AND INCLINED

CHAPTER III HYDRAULIC AND HYDRO-MECHANICAL DEVICES Enbom and Anderson's Pump

CHAPTER IV PNEUMATIC, SIPHON AND HYDRO-PNEUMATIC DEVICES The Hydrostatical Paradox

CHAPTER V MAGNETIC DEVICES A Magnetic Pendulum

CHAPTER VI DEVICES UTILIZING CAPILLARY ATTRACTION AND PHYSICAL AFFINITY Ludeke and Wilckens's Device

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

CHAPTER X The Alleged Inventions of Edward Sommerset, Sixth

CHAPTER XI Conservation of Energy A Discussion of the Relation

CHAPTER XII Will Perpetual Motion Ever Be Accomplished?

SUMMARIZED TABLE OF CONTENTS

INDEX

Transcribers' Notes

Transcribers' Note

Cover created by Transcriber, using an illustration from the original book, and placed in the Public Domain.

Greek words are shown in Greek and then in Transcribers' English transliterations that are enclosed in {curly braces}. Also see later note about alchemy symbols.

Perpetual Motion

Comprising a History of the Efforts to Attain Self-Motive Mechanism with a Classified, ILLUSTRATED Collection and Explanation of the Devices Whereby it Has Been Sought and Why They Failed, and Comprising Also a Revision and Re-Arrangement of the Information Afforded by "Search for Self-Motive Power During The 17th, 18th and 19th Centuries," London, 1861, and "A History of the Search for Self-Motive Power from the 13th to The 19th Century," London, 1870, by Henry Dircks, C. E., LL. D., Etc.

BY
PERCY VERANCE

Copyright 1916
By
20th Century Enlightenment Specialty Co.