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| 1 | Title: | A system of useful formulae: adapted to the practical operations of locating and constructing railroads | |
| Creator: | Borden, Simeon. | ||
| Boston Society of Civil Engineers | |||
| Publication: | Charles C. Little and James Brown, Boston,1851. | ||
| Call #: | TF216 B728 | ||
| Extent: | x p., 1 leaf., 188 p. : diagrs. ; 23 cm. | ||
| Subjects: | Railroads -- Curves and turnouts | ||
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