Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 230
FiR. IS.3. \h:\ 154 SHEET METAL WORK the arrow at the top, while the lower half swings outward as shown bythe arrow at the bottom. Wlien the lower half closes, it locks as shownat F, which makes a water-tight joint; but to obtain a water-tight jointfor the upper half, a cap is used, partly shown by…
Architecture · Building
Internet Archive · Kelly Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
