Comments on: Invention Timeline - George E. Waring, American Sanitary Engineer; Executed the New Sewerage Works of Memphis, Tennessee in 1880

Comments on: Invention Timeline - George E. Waring, American Sanitary Engineer; Executed the New Sewerage Works of Memphis, Tennessee in 1880 http://www.inventioninfo.info/logfiles/1246/invention-timeline-george-e-waring-american-sanitary-engineer-executed-the-new-sewerage-works-of-memphis-tennessee-in-1880 Invention timeline, news, and information. Thu, 11 Mar 2010 18:58:39 +0000 http://wordpress.org/?v=2.0