Pocket-book for railroad and civil engineers, [electronic resource] containing new, exact, and concise methods for laying out railroad curves, switches, frog angles, and crossings; the staking out of work, levelling; the calculation of cuttings and embankments, earthwork, etc.
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Online Access |
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| Format: | Electronic eBook |
| Language: | English |
| Published: |
Philadelphia,
H.C. Baird,
1864.
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