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 178
eing of just sufficient thick-ness to fill the space between the two chord pieces), it would be stillb-itter than that plan represented in the Plate. It will be found necessary, in a bridge of this kind, to make themain braces at least 1^ inches longer than the exact calculation wouldrequire, in… … TV o.Lconhn rdt ? Son. Plula BRIDGE BUILDING. 103 pression and shrinkage of the timber, and which v\ouId matmallyweaken the bridge; and whatever camber the bridge is designed tohave, must be given to it on its first erection, before the false worksare removed, since the camber cannot afterward be…
Carpentry · Bridges
Internet Archive · UMass Dartmouth, Claire T. Carney Library · Public Domain Mark 1.0. Free to use for anything.
