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 218
of the same span and rise, and divided into five equal5. HL. … Taking the two trusses fig. 5 and 6,spaces, giving four points of support for theload, which we will suppose to be distributedequally at the several points. In truss fig. 5, let a a = 5 and a b, b ceach = 1. Let w c = h and w b = $■ ft.The points awwwwa may be consideredas points in a circular…
Mechanical engineering
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