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 140
counter-braces do not add any thing tothe mere support of the roof, and are entirely unnecessary in framesof churches, or other public buildings, where there is no jar; but theymay very properly be used in mill frames, or other buildings design^for heavy machinery. (86) PLATE 25. This Plate…
Carpentry · Bridges
Internet Archive · UMass Dartmouth, Claire T. Carney Library · Public Domain Mark 1.0. Free to use for anything.