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 /
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| Format: | Book |
| Language: | English |
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Boston :
C. C. Little and J. Brown,
1851.
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| Item Description: | Microfilm. Ann Arbor, Mich., University Microfilms [n.d.] (American culture series, Reel 419.7) Microform. |
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| Physical Description: | x pages, 1 ., 188 pages : diagrams ; 23 cm. |