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Project Gutenberg's The Machinery of the Universe, by Amos Emerson Dolbear This eBook is for the use of anyone anywhere at no cost and with almost no restrictions whatsoever. You may copy it, give it away or re-use it under the terms of the Project Gutenberg License included with this eBook or online at www.gutenberg.net Title: The Machinery of the Universe Mechanical Conceptions of Physical Phenomena Author: Amos Emerson Dolbear Release Date: July 18, 2009 [EBook #29444] Language: English Character set encoding: ASCII *** START OF THIS PROJECT GUTENBERG EBOOK THE MACHINERY OF THE UNIVERSE *** Produced by Chris Curnow, Andrew D. Hwang, and the Online Distributed Proofreading Team at http://www.pgdp.net (This file was produced from images generously made available by The Internet Archive) _THE ROMANCE OF SCIENCE_ THE MACHINERY OF THE UNIVERSE MECHANICAL CONCEPTIONS OF PHYSICAL PHENOMENA BY A. E. DOLBEAR, A.B., A.M., M.E., PH.D. PROFESSOR OF PHYSICS AND ASTRONOMY, TUFTS COLLEGE, MASS. PUBLISHED UNDER GENERAL LITERATURE COMMITTEE. LONDON: SOCIETY FOR PROMOTING CHRISTIAN KNOWLEDGE, NORTHUMBERLAND AVENUE, W.C.; 43, QUEEN VICTORIA STREET, E.C. BRIGHTON: 129, NORTH STREET. NEW YORK: E. & J. B. YOUNG & CO. 1897. PREFACE For thirty years or more the expressions "Correlation of the Physical Forces" and "The Conservation of Energy" have been common, yet few persons have taken the necessary pains to think out clearly what mechanical changes take place when one form of energy is transformed into another. Since Tyndall gave us his book called _Heat as a Mode of Motion_ neither lecturers nor text-books have attempted to explain how all phenomena are the necessary outcome of the various forms of motion. In general, phenomena have been attributed to _forces_--a metaphysical term, which explains nothing and is merely a stop-gap, and is really not at all needful in these days, seeing that transformable modes of motion, easily perceived and understood, may be substituted in all cases for forces. In December 1895 the author gave a lecture before the Franklin Institute of Philadelphia, on "Mechanical Conceptions of Electrical Phenomena," in which he undertook to make clear what happens when electrical phenomena appear. The publication of this lecture in _The Journal of the Franklin Institute_ and in _Nature_ brought an urgent request that i
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