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 46
Fig. 49. APPLICATION OF THE LAWS OF EQUILIBRIUM. 29 … Fig. 50. An easier solution of the above example is now seen from the diagram. It depends uponthe fact that E, F, A and B are in the same straight line,and to find E and F we have only to produce AB to cutthe lines QE and RF. We may then draw FX parallel tothe piece FX, and CD likewise, thus…
