Illinois Society of Architects · Chicago · leaf 263
THE ONLYINTERLOCK WHICH PRE-LOCKS THE CONTROL LEVER BEFORE THESHAFTWAY DOORIS OPENED 100% SAFETY PhoneWabash 0530 SHUR-LOC COMPANY of ILLINOIS 208 South La Salle Street Chicago … iwfF.. \^^^^^ ^<P
Architecture · Building · Architects
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.