A System of Useful Formulae Adapted to the Practical Operations of Locating and Constructing Railroads

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1851 Excerpt: ... the deficiency of such papers, or to refresh his memory, where, perchance, he may be somewhat in doubt. In the following formula we shall use the symbols by which we represent the triangle under consideration. Tan. X = ."Hieo-An(r+d)c-. and x + (180--A) = C; andX--J (180--A) = C. And sin. C: r + d:: sin. A: a = J -- . ...

A System of Useful Formulae: Adapted to the Practical Operations of Locating and Constructing Railroads 2016, Palala Press

ISBN-13: 9781358068362

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A System of Useful Formulae Adapted to the Practical Operations of Locating and Constructing Railroads 2016, Wentworth Press

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A System of Useful Formulae Adapted to the Practical Operations of Locating and Constructing Railroads 2016, Wentworth Press

ISBN-13: 9781372938238

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A System of Useful Formulae: Adapted to the Practical Operations of Locating and Constructing Railroads: A Paper Read Before the Boston Society of Civil Engineers December, MDCCCXLIX. 2011, Nabu Press, Charleston SC

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ISBN-13: 9781177546645

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ISBN-13: 9781115199315

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A System of Useful Formulae: Adapted to the Practical Operations of Locating & Constructing Railroad 2009, BiblioLife, Charleston SC

ISBN-13: 9781103146352

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A System of Useful Formulae: Adapted to the Practical Operations of Locating & Constructing Railroad 2009, BiblioLife, Charleston SC

ISBN-13: 9781103146369

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A System of Useful Formulae Adapted to the Practical Operations of Locating and Constructing Railroa 2009, BiblioLife, Charleston SC

ISBN-13: 9781115199322

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A System of Useful Formulae Adapted to the Practical Operations of Locating and Constructing Railroa 2009, BiblioLife, Charleston SC

ISBN-13: 9781115199339

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