Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 141
he required sectionmodulus, S. 3. Select from Cambria a beam having the requiredvalue of S. Note. Due attention in selecting the beam must be given to lateraland vertical deflection as previously noted, or to a proper reduction of thespecified fibre stress to allow for these considerations.…
Architecture · Building
Internet Archive · Kelly Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
