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This handy reference guide covers the fundamentals of laying out circular railroad curves in a varie... more
In this fascinating historical account, Fessenden Nott Otis details the construction of the Panama R... more
This work has been selected by scholars as being culturally important, and is part of the knowledge ... more
curves for railroads", by John C. Trautwine, is a replication of a book originally published before 1889. It has been...... more