Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 40
bber insulation has arelatively short life. Inasmuch as in this method of wiring, the insula-tion does not depend upon the insulation of the conductors, but onthe insulators themselves, which are of glass or porcelain, this systemis much more desirable than any of the other methods. Of course,if… … Dodnf Street SulistuliMii
Architecture · Building
Internet Archive · Kelly Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
