Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 382
ow details of various kinds of floors.Fig. 137 gives a detail of the floor in the Steam Engineering Labora-tory of the University of Illinois. This consists of channels imbeddedin concrete. These channels, which are placed in pairs a small dis-tance apart, run both lengthwise and crosswise of the…
Architecture · Building
Internet Archive · Kelly Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.