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 200
lipped, allows the easy lowering of the apron, because it is balanced. As the counterwcightcd armrises it comes in contact with the tail of a pivoted latch, which releases the inner or retaining coal door.The sides of the apron are spread wider than this coal-door, and are formed by the forward end… … Fig. 299.—Crosssi rrioN with Hic.hchutes. Back of the fulcrum line, about 2 ft. on each arm, is fastened a small ratchet plate, into which works ai4-in. pawl, bent out 5 in. at the inner end, and held to a 2-in. flat strap by a split key, the strap being held tothe door-frame with bolts. The…
Building · Railroads
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
