Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 339
ir d ^ =r - ^/ :.«r.6 ^ 4^ ■ .Wii J … S|DJ94D-| ujo|4og ..s..U:,tll9|DJ94D-| dqi ROOF TRUSSES 63 then BL3, and finally BL2, all of which are shown on the Markingor Erection Diagram. Care should be taken to give each piece that is different fromothers in any w^ay whatsoever, a different mark. For instance, thepurlins are the same size,…
Architecture · Building
Internet Archive · Kelly Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
