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
ft. 8 in. girt, made with Tsj-inch plates, excepting the threemiddle plates, which are -f-inch in thickness; the top is curveddown 5 inches, and put together with inch rivets. The girdersare stiffened by eight vertical plates on each side of the web, ofj%-inch iron, fixed by angle-iron 3 inches… … T-iron, 5-J inches wide between each pair of stiffeners. Fig. 627.—Enlarged Section of Girder, showingthe Stiffeners,
Mechanical engineering
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