The Science Of Railways Volume 9;  Operating Trains. 1913 by Marshall Monroe KirkmanThe Science Of Railways Volume 9;  Operating Trains. 1913 by Marshall Monroe Kirkman

The Science Of Railways Volume 9; Operating Trains. 1913

byMarshall Monroe Kirkman

Paperback | May 16, 2012

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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. 1913 Excerpt: ... for these differences at the present time (though perhaps not in the beginning), one of the most weighty of which is the fact that custom has made current practices the best to follow. Not only is the force schooled in such practice, but many of the physical features of the line have been based on it and cannot be easily or cheaply adapted to any other. A diversity somewhat similar to that existing in train rules is found in the telegraph service. Thus, upon the lines of one company the signal "7" flying along the wire closes every key and silences every operator. It is a magic number and hushes all disputes. It may mean life and death. At any rate, it is a warning to clear the line a signal that the waiting message must take precedence of everything else. On another line the signal in question possesses no significance whatever, and its repetition would never still the struggle that is forever going on among operators for the circuit. Upon another line the cabalistic sign "9" hushes everyone. It is the signal of the executive, and woe to the unfortunate who ventures to break in upon its prerogatives. Elsewhere this number has no meaning, and its repetition would only excite profanity. Upon every line ingenious means are adopted to save time and labor. Thus, letters are made to convey special information or lengthy interrogatories. When letters have been exhausted, numerals are resorted to. While the rules of no two railroad companies were alike at the start, no code contained every rule that possessed practical value. But the code of every company contained valuable hints and suggestions that might be profitably studied by others. I have never ceased to admire the practical wisdom and adaptability railway managers evinced in forming th...
Title:The Science Of Railways Volume 9; Operating Trains. 1913Format:PaperbackDimensions:172 pages, 9.69 × 7.44 × 0.37 inPublished:May 16, 2012Publisher:General Books LLCLanguage:English

The following ISBNs are associated with this title:

ISBN - 10:0217609139

ISBN - 13:9780217609135