Appleton's dictionary of machines, mechanics, engine-work, and engineering (1861)
Appleton, firm, publishers, New York. (1852, D. Appleton & Co.) · New York : D. Appleton · leaf 214
ffened by angle-ironFig. 629—Transverse Section. top and bottom, and on each side, 3-J- inches wide, and fast-ened with j-inch rivets 4inches apart. The ends otthese cross girders rest uponthe two girders first described.Fig. 629 is a cross sectionof the bridge. Fig. 626 is aside view of part of… … 210 BRIDGES. Cast-iron bridges.—Bridges constructed of this material alone are usually of short span and simplegirders. See Strength of Materials. Cast iron as a material is not considered as safe as wroughtiron or wood; from some flaw, from frost, or from sudden jars, it gives way without notice;…
Mechanical engineering
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