Toronto: The Engineering Institute of Canada, (1957). Green cloth, white on green endpaper diagrams. (xiv), 442 pp + plates; illustrations in text, index. Fine copy. Dust jacket has small tears, minor chips, VG. Letters and biography of the Shanly brothers, Canadian civil engineers who were instrumental in the building of Canadian railways, and also the Hoosac Tunnel, North Adams, Mass. "Walter Shanly was General Manager of the longest Railway [Grand Trunk Railway of Canada] in the world at the age of forty, while, until the prairies were crossed, his brother Francis surveyed, located and built more miles of railway in Canada than any other engineer." - page 1.; Octavo