Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 140
he required sectionmodulus, S. 3. Select from Cambria a beam having the requiredvalue of S. Note. Due attention in selecting tbe 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 · Carpentry
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