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Practical Mechanics and Allied Subjects By Joseph Hale Hard Cover 1915
Practical Mechanics and Allied Subjects By Joseph Hale Hard Cover 1915 228 Pages
PREFACE
This book together with that on "Practical Applied Mathematics" by the same author embodies the results of five years' experience in the organization and development of a system of railroad shop apprentice schools, as well as extended investigations of the work of public, private, trade, vocational and corporation schools of manufacturing industries and railroads in this country and abroad.
In the presentation no formal distinction is made of the various branches of elementary mathematics and science involved. The subject matter is presented in the two volumes under the general titles of "Practical Applied Mathematics" and "Practical Mechanics and Allied Subjects," although a careful and logical arrangement and sequence have been followed in the presentation.
In organizing trade apprentice schools difficulty has been experienced in securing a text practically adapted to the needs of these schools. This difficulty has led the author to develop a series of instruction sheets which are believed to be thoroughly practical. This volume with that on "Practical Applied Mathematics" is essentially a presentation of problems arising in shop experience in the mechanical trades. It shows the use of mathematics as a tool.
The material included in this work has been made sufficiently broad to apply not only to railroad schools but it is believed to schools in the mechanical trades generally. It is also felt that this work may be used to advantage in the public schools in technical branches, as well as in trade and vocational schools, either as a regular or as a supplementary text.
The material for each book is presented in twenty chapters, each dealing with a definite subject. This affords a flexibility highly desirable in assigning the work and enables it to be given entirely or in part according to specific needs.
In preparing this work the author acknowledges indebtedness to Pennsylvania Railroad Motive Power Officials at Altoona. The author is indebted to Dr. J. P. Jackson, State Commissioner of Labor and Industry of Pennsylvania, Professor J. A. Moyer, Head of the Department of Mechanical Engineering and Director of the Engineering Extension Division of the Pennsylvania State College and Mr. M. B. King, State Expert Assistant in Industrial Education of Pennsylvania, for reading the proofs and offering valuable criticisms and suggestions. He is especially indebted to Professor J. H. Yoder and Mr. E. W. Hughes of the School of Engineering of the Pennsylvania State College, detailed as Instructors in the Pennsylvania Railroad System of Apprentice Schools. They have assisted in the preparation of the manuscript, carefully read the proofs and offered many valuable suggestions.
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