tments and wing walls. The concrete is composed ofKaw River sand, Iola Portland cement^and crushed stone in pro-portions of 1: 3: 5. The Railway Terminals at Providence, R.I. Some very interesting and novel designs of solid floorswere built in connection with the railway terminals at… … Figure 19
Bridges · Theses
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten10unit-583-391.webp)