George Mowbray (author) 1872 Book cover for George Mowbray "Tri-Nitro Glycerin, as applied to the Hoosac Tunnel, Submarine Blasting, etc." (North Adams: James T. Robinson & Sons, 1872)
Book cover Margolis & Moss 98 pages. With eight mounted albumen photographs, including six stereo views by L. Daft. Shown are aspects of the construction of the Hoosac Tunnel; one print is a photographic reproduction of a drawing of a laborer drilling underground and two photographs dramatically illustrate the effects of nitroglycerin explosions. Quarto, 10 x 6 1/2 inches.