The theory and practice of modern framed structures : designed for the use of schools, and for engineers in professional practice (1897)
Johnson, J. B. (John Butler), 1850-1902, Bryan, C. W. (Charles Walter), 1863-1927, Turneaure, Frederick Eugene, 1886- · New York : J. Wiley & Sons · leaf 33
c Fig. 22. … Fig. 23. put in, the vert, and hor. components of the unknown forces being indicated. At C wehave a simple case of action and reaction,—the forces acting upon the two portions are equal APPLICATION OF THE LAWS OF EQUILIBRIUM. 17 and opposite. We have now six unknown quantities and can write three…
