Skinner, Frank W. (Frank Woodward), 1858-1932 · New York, McGraw · leaf 48
ned by the railroad com-pany now number 4000, including 700 masonry arch bridgesand all openings which cannot be s^Danned by the rails, say,above 16 in. in the clear. All drawings for the bridge structures are made on sheets oftracing cloth with a standard width of 22^ in. of any necessarylength,… … 32 BRIDGE CONSTRUCTION made within 8 x 12^-in. limits, the size of a sheet of legal cappaper, and are arranged symmetrically across a standard sheetof tracing cloth 22^ in. wide. Generally, the data for thewooden floor is put at the top of the sheet, the strain sheetnext, and the masonry sheet at…
Bridges
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