Illinois Society of Architects · Chicago · leaf 172
ded for outside lamps. Theymust be installed so that the bottom of thelamp will not be less than eight feet abovethe ground when it is hung, the length ottiie lamps being about 40 inches. If it isnecessary to install lamps beyond the reachof a six-foot stepladder, some arrangementmust be made for… … ARCHITECTS —In preparingplans and specifications for largebuildings should provide for an Automatic Private Branch Exchange The space occupied by this type of ap-paratus is much smaller than is required fora system using operators and for this reasonas well as on account of eliminating theoperator,…
Architecture · Building · Architects
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.
![An illustration from Telephones and telegraphs: 1902 : [and Municipal electric fire alarm and police patrol systems] (1906)](https://img.insideoutlibrary.com/img/200/ia-cu31924022817674-68-27.webp)
