Illinois Society of Architects · Chicago · leaf 194
groundconnection it is always desirable to havethe ground connections made in duplicate.One of the most effective methods is torun a conductor underground connecting allof the vertical conductors. 193 THE STANDARDTYIIR COMPANY 15-Si. at Western Ave. 6- Chicago J\ir\ctioi\ Railway CHICAGO ILL.…
Architecture · Building · Architects
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.