Illinois Society of Architects · Chicago · leaf 358
of the element or ele-ments is not enough to make it an alloysteel. As shown by the foregoing classification,the introduction of the various alloys intothe manufacture of steel is for the purposeof increasing its efficiency; and the economicuse of such material as applied either tobridges,… … Write for Our StairCatalog We are specialists in themanufacture and erectionof Presteel Stairways. Our engineering depart-ment is at your service,and is ready to assist youin planning stairways thatwill give the maximum ofservice at a reasonable cost. SPECIFY PresTeelsTAiRWAYS MADE to suit any…
Architecture · Building · Architects
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.
