Chicago : Engineering and Contracting Pub. Co. · leaf 77
nder direction of Mr.Whipple, the inventor of the forms. TheChicago work is however of greater interestbecause of two features additional to the Milwatikec work. These are, the use of thesliding forms on the square bins as well as,on the circular ones, and, the use of a raisedplat form lli fl high,… … July 19, 1911. ENGINEERING & CONTRACTING 63 ng of the concrete. The platform clears allhese rods and makes it possible to swing the:oncrete pipe freely over any part of theivork. The concrete is poured from the:ower, as explained in the first part of thisirticle. It is poured into a small…
Buildings
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.
