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 142
Thr o.I>oDlutilt t S«i.PliiU. … PLATE 26, This Plate exhibits several designs of Gothic roofs, the manner offraming which is sufficiently indicated by the Plate. Fig. 1 is constructed entirely of wood. Fig. 2 of wood, strengthened with iron straps and bolts; and Fig. 3 with still less wood, but supported by iron rods; and,…
Carpentry · Bridges
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