Skinner, Frank W. (Frank Woodward), 1858-1932 · New York, McGraw · leaf 183
eading Railroad has girders 83 ft. 9 in.long and 9 ft. 4^ in. deep over all, with i8-in. flange cover plates.Sole plates 32 x 11 — 16 X 48 in. are riveted to the ends ofthe lower flange plates and are stiffened by vertical transversewebs. These plates take bearing on concentric cast-steel shoeswith… … sponding pedestals. The pins have shouldered ends threadedto fit chambered nuts, which, with the washers, lock the shoe and pedestal together. The expansion end pedes-tals have longitudinal centerribs on the planed bases,which engage grooves in thecenters of a nest of seven 6|in. segmental rollers.…
Bridges
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