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 216
tis cambered about 1 in 80 or100—the whole combined form-ing a trussed girder. The sidesor body of the truss, whenmade of cast-iron, will be com-posed of pieces, or voussoirs,corresponding in all parts withthe arc of a circle, having averse sine of 1 to a chord of80 or 100. The ends and… … 637. H m * r*15*.
Mechanical engineering
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