Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 285
ip to the ground without touchingthe wall. This figure shows the simplest sort of sill, such as wouldbe used only for very cheap work. In more important work it iscustomary to add another piece, called an apron, under the pro-jecting part of the sill, as shown in Fig. 306, where A is the apron,B is…
Architecture · Building
Internet Archive · Kelly Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
