Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 177
method is to use fewerupright pieces and to place ahorizontal piece A on the top ofthem, running the whole length ofthe building and supporting eachrafter. This is shown in Fig. 181.An upright piece B should beplaced under every sixth or sev-enth rafter in order to give the necessary stiffness to… … Fig. 182. Collar or Tie Beams as InteriorSupport for Rafters
Architecture · Building
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