Cyclopedia of architecture, carpentry, and building; a general reference work .. (1912)
American School (Lansing, Ill.) · Chicago, American school of correspondence · leaf 174
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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