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 186
i r—tr^. n11 riiiTTr … L- T!xi-o.C<<.nLanat.iS.m. m.ib. UENERAL PRINCIPLES OP BRIDGE BUILDINO. In concluding tliis Part of the work, it is proper to bring toget^^-erinto one place the most important principles and most useful hints ^opractical builders, which we have been able to gather, either from thestudy of…
Carpentry · Bridges
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