Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 443
Fig. 210. intercepting Sewer at Waterbury, Conn. 365 348 MASONRY AND REINFORCED CONCRETE … I-Barj/OC.C. IBarj /OC.C. 00 for 10 feet of length; and the cost of the forms per foot ofsewer built, including first cost and maintenance, averaged 10 cents.Petrolene, a crude petroleum, was found very effective in preventingthe concrete from adhering to the forms. A mile and a-half of the sewer…
Architecture · Building
Internet Archive · Kelly Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.