Carpentry made easy, or, The science and art of framing, on a new and improved system : with specific instructions for building balloon frames, barn frames, mill frames, warehouses, church spires, etc., comprising also a system of bridge building, with bills, estimates of cost, and valuable tables ... (1857)
Bell, William E · Philadelphia : Howard Challen · leaf 94
cording: to the size of the timber. Figs. 5, 7, and 8, have iron straps bolted in a similar manner. Fig. 9 exhibits a strong mode of splicing timbers where they aredoubled throughout their whole length, for a very long span, such aaroofs in churches. Those styles which are numbered 1, 2, 7, and 5,… … V m :|.:.:, Nf
Carpentry · Bridges
Internet Archive · UMass Dartmouth, Claire T. Carney Library · Public Domain Mark 1.0. Free to use for anything.