Encyclopedia of architecture : a dictionary of the science and practice of architecture, building, carpentry, etc., from the earliest ages to the present time, forming a comprehensive work of reference for the use of architects, builders, carpenters, masons, engineers, students, professional men, and amateurs (1852)
Nicholson, Peter, 1765-1844, Lomax, Edward, Gunyon, Thomas · New York : Johnson, Fry & Co. · leaf 172
in parallel directions, any two forceswill be to each other in the reciprocal ratio of the distancesof their lines of direction, on the opposite side of the solid,to the direction of the other force. Proposition XI.—If a solid be in equilibrio by three forces,and if any point be taken in the line… … v^ i)ruv>n . bu. P. ATlWitrlion Let A, B, c, represent the intensities at a, b, c, in the directions e a, a b, f c. Taive any point, d, in the middle lineot direction, and draw d e, d f perpendicular to the othertwo lines of direction; then (^Corollary 2, last Problem)A : 0 : : D F : d e ;…
Architecture · Architects
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