Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 453
other clearances in beams see The Detailing ofBeams, page 72. Wherever bolts, rods, upsets, or rolled bars pass through a holeor slot, the aperture should be | inch greater in diameter or I inchgreater in dimensions in case there is a slot. The above is in casethe material is rolled steel or iron.… … J^-,i: l5 S$3
Architecture · Building
Internet Archive · Kelly Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
