| H.D. Ward Nitro-glycerin Factory. South View. 1872 (published) Stereoview The Jeffrey Kraus Collection LL/122914 Book plate in: George M. Mowbray, 1872, Tri-Nitro-glycerine, as Applied in the Hoosac Tunnel Submarine Blasting, Etc., (North Adams, Massachusetts: J.T. Robinson), between pp. 42-43
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