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 52
. The struts be, de, etc., are placed normal to the roof. These with the upper chord aremade either of wood or iron.The other members are ties andare made of iron. Fig. 62. Fig. 62 is a common form forwooden trusses. The verticals are iron tie-rods. A special diagram for this foim of truss…
