Buildings and structures of American railroads. A reference book for railroad managers, superintendents, master mechanics, engineers, architects, and students (1893)
Berg, Walter Gilman, 1858-1908 · New York Wiley · leaf 198
f^^;£^-f \ Fig. 293.—Detail of Lock. Fig. 294.—Detail of Positions of Apron. i62 BUILDINGS AND STRUCTURRS OF AMERICAN RAJI.R0.4J)S
Building · Railroads
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
