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 25
Fig. io. … Fig. io<7. years, or down to about 1876, the compression members being made finally of wrought-iron.Pins and eye-bars were freely but not exclusively used for joints in the Bollman and Finktrusses. f=—\ \ \ r ^ Fig. II. The first near approach to the modern style of iron truss-bridges was made…
