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 182
0 16 5 by 12 41 = 3280 12 Upper 6 by 10 45 = 2700 12 6 by 10 41 •= 2460 ■64 Main braces, 6 by 8 19 • = 4864 32 Counter 6 by 7 19 = 2128 80 Arch pieces, 7 by 10 36 =16800 34 Cross floor timbers, 7 by 14 19 » =5276 52 Lateral braces, 4 by 8 24 = 2048 8 Eail stringers, 7 by 14 45 =2940 7 by 14 41 =… … BRIDGE BUILDING. 105 8 End supporting rods,16 « 24 u 12 Middle 8 Arch 8 Wrought Iron. IJ in. diam., 19i feet long, n If If If1^ f 18J 18| 18| H lOf 13| 15 16 17 19 19|- 21 in23 80 40 20 16 9 Top cross rods, 9 Bottom cross rods. 64 Upper chord bolts, 64 Lower 52 Arch beam bolts, 28 cross bolts, oj!…
Carpentry · Bridges
Internet Archive · UMass Dartmouth, Claire T. Carney Library · Public Domain Mark 1.0. Free to use for anything.
