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Image from page 123 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
A few nice construction images I found: Image from page 123 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 Read more…