Buildings and structures of American railroads. A reference book for railroad managers, superintendents, master mechanics, engineers, architects, and students (1893)
Berg, Walter G. (Walter Gilman), 1858-1908 · New York, J. Wiley & Sons · leaf 202
lipped, allows the easy lowering of the apron, because it is balanced. As the counterweighted 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.—Cross-section witu Hkih-cuutes. Back of the fulcrnm line, about 2 ft. on cacli arm. is fastened a small ratchet plate, into wdiich works aij-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…
Railroads -- Buildings and structures · Buildings
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