Chicago : Engineering and Contracting Pub. Co. · leaf 410
track stringer towhich it was fastened with hook bolts. Castiron sockets extending under the flange an-gles of the track stringers, were placed in theconcrete, so that the heads of the hook boltscould be introduced after the concrete wasset. By this device the timbers can be re-moved and replaced… … Fig. 1—Stevensons Locomotive No. 3 at the Hetton Colliery, England. the unseasoned lumber to the piles where itis seasoned; the other, in handling the sea-soned lumber from the piles to the shops. Thelocomotive hauling the unseasoned lumber fre-quently takes a train of twelve loaded carsfrom the…
Buildings
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.