DescriptionJacobs on the Hudson River Tunnels of the Hudson and Manhattan Railroad Company (bastard title.) The Hudson River Tunnels of the Hudson and Manhattan Railroad Company. By Charles Mattathias Jacobs, M. Inst. C.E. With an Abstract of the Discusson Upon the Paper. Edited by J.H.T. Tudsberry, D. Sc., M. Inst. C.E., Secretary. Excerpt from Minutes of Proceedings of The Institution of Civil Engineers, Vol CLXXXI, Session 1909-1910. Part III. London: Published by the Institution, 1910. The Michigan Historical Reprint Series; fascimile reprint edition, 2011. 8vo softcover, 92 pp.; oversize foldout plates noted, but not reproduced. Good background about the tunnels and tunneling methods by Jacobs who was involved the the H&M tunnels and others. See library 2011.005.0202.01 for a record holding a text file with scanned text as found in 2011 at: http://quod.lib.umich.edu/m/moa/AJS1987.0001.001?rgn=main;view=fulltext 8vo softcover