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Author: James C. Nagle
Publisher:
ISBN:
Category : Railroad engineering
Languages : en
Pages : 716
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Book Description
Author: James C. Nagle
Publisher:
ISBN:
Category : Railroad engineering
Languages : en
Pages : 716
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Book Description
Author: J. C. NAGLE
Publisher:
ISBN: 9781033492642
Category :
Languages : en
Pages : 0
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Book Description
Author: J. C. Nagle
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: James C. Nagle
Publisher:
ISBN:
Category : Railroad engineering
Languages : en
Pages : 403
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Book Description
Author: J. C. Nagle
Publisher:
ISBN: 9781331955122
Category : Technology & Engineering
Languages : en
Pages : 524
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Book Description
Excerpt from Field-Manual for Railroad Engineers Chapter I gives briefly the general method of making Re-connoissance; Chapter II treats of Preliminary Surveys; while Chapter III relates to Location. Chapter IV, on Transition-curves, follows the method adopted by Professor Crandall, and enables one to locate the transition-curve with rigid accuracy where such is necessary. Approximate methods are also given by means of which the curve may be as easily located as any of the more limited easement curves ordinarily met with. Chapter V, on Frogs and Switches, contains all that is necessary for their location. The formulas have been arranged to give the desired quantities in terms of the frog number whenever the resulting equations would be easier of application than the trigonometric ones usually given. The turnout tables are unusually full and give not only the theoretical lead but the stub lead as well, from which the practical lead can be at once found when the length of switch-rail is known. Chapter VI, on Construction, tells how to set slope-stakes, and gives simple methods for computing areas and volumes either directly or by the use of tables. A short table of prismoidal corrections is given for end sections level, and also a formula for three-level sections, by means of which a suitable table may be computed if desired. The tables at the end of this book have been arranged with a view to ease of reference, for, whatever the character of the text, the chief value of a field-book must depend upon the ease with which the tables may be consulted and upon their extent and accuracy. Table IX - Functions of a One-degree Curve - separates the logarithmic functions on the one side from the natural functions on the other and will be of assistance in locating these tables. Table XVI - Transition - curve Table-reading lengthwise of the page, likewise serves to separate the trigonometric tables from the miscellaneous tables that follow. Some engineers object to the use of logarithmic tables in the field, but for them the natural functions are at hand; while for those who prefer logarithms the five-place tables of logarithmic sines, cosines, etc., will be found easy to consult and interpolate between. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author: J. C. Nagle
Publisher: Forgotten Books
ISBN: 9781334014628
Category : Mathematics
Languages : en
Pages : 534
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Book Description
Excerpt from A Field Manual for Railroad Engineers Some engineers prefer the more approximate treatment, in which both switch-rails and frogs are assumed to be curved, and 3 certainly the formulas are simmer and easier of application. 5: For those who prefer 'it, the old method has been retained in large part. One may take his choice of methods. A brief treatment of the mass-curve in connection with overhaul has been inserted, and the subject of grades has been i: amplified. Scattered through the text numerous other changes, e additions, and omissions have been made. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works."
Author: United States. Army. Corps of Engineers
Publisher:
ISBN:
Category : Military engineering
Languages : en
Pages : 54
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Author: J. C. (James C. ). 1865-1927 Nagle
Publisher:
ISBN: 9781362259077
Category : History
Languages : en
Pages : 422
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Book Description
Author:
Publisher:
ISBN:
Category : Field engineering
Languages : en
Pages : 390
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Author: United States. War Department
Publisher:
ISBN:
Category : Military field engineering
Languages : en
Pages : 524
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Book Description
