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Image from page 323 of “Handbook of railroad construction; for the use of American engineers. Containing the necessary rules, tables, and formulæ for the location, construction, equipment, and management of railroads, as built in the United States ..” (18
Some cool construction images: Image from page 323 of “Handbook of railroad construction; for the use of American engineers. Containing the necessary rules, tables, and formulæ for the location, construction, equipment, and management of railroads, as built in the United States ..” (18 Image by Internet Archive Book Images Identifier: Read more…