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 618
laced over the end of the supported part, and guyed back to the rear of the plat-form. But they are more often square Howe or Pratt trusses not unlike bridge spans, overhanging abouthalf their length, and having cross-beams and eye-bolts in the lower chords from which to suspend thetackles required… … AMERICAN METHODS OF BRIDGE ERECTION. S»l directly underneath the overhang, or from cars that run on its own track level and come from behind up toor underneath the main platform and deliver to trolleys that carry the hoisting tackle out on the overhang,or to booms that swing it around, or to falls…
