Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 232
SHEEl MKTAL WOUK e(l would also be apjdicaMc for skylij^hts of that particular pitch.Using Uiis rule it slioulil he uiidersttMul tliat tlje size of the curb, orframe, forms tlie basis for all measurements, and tliat one of the linesor bentlsofthe bar should meet the line of the curb as shown in… … a-o- d out the lengths of the bars, they would have to be measuretl on the line4 of the l)ar E from 4 to 4 »»u tlic patterns, as will be e.xplaineil as weproceed. The first step is to j)repare the triangle.^ from which the lengthsof the common and jack bars arc ol)taiMcd, also the lengths of Uie…
Architecture · Building
Internet Archive · Kelly Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
