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Types and details of bridge construction (1904)

Skinner, Frank W. (Frank Woodward), 1858-1932 · New York, McGraw · leaf 50

An illustration from Types and details of bridge construction, 1904, leaf 50
-.^z- m r- I … 34 BklDcM CONSTRUCTIGM by ribs projecting from the centers of the sides and engagingthe slots between bearing strips fastened to the walls of thecabinet. These ribs and strips are made of hardwood, polishedand lubricated with a little soap or plumbago, so that thedrawers slide very easily. The…

Bridges

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