Junction of the roof and wall in anEnglish building. P. The wall-plate. T, The tie beam. R. A principal rafter. e, One of the minor rafters not ti dby the feet but thrusting out-wards, and having to be supportedby the pole-plate and a purlin (notseen) which, concentrating thewhole weight on one p…
Architecture · Building
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.