Ken From: The Listserv that makes holes in Manhattan schist for free! [mailto:[log in to unmask]] On Behalf Of [log in to unmask] Sent: Sunday, May 20, 2007 1:13 AM To: [log in to unmask] Subject: [BP] lime wars and cement Brian and Ken write this down and put it in your library APT Bullentine X ....no .3 ...1979 History of cement in 19th cent . fortifications and construction Royal engineers Andrew Powter a definitive look at early concrete in which the Americans were trying to follow there might not of been an American hydralic lime mortar per se but the technology and the knowledge was there to cetainly mimic it before Portland ; this is the best refrence I have found regarding fortification and the whys and wherefores and use of early mortar ; and I use it as a refrence for an understanding of American fortification for methods and materials Py ************************************** See what's free at http://www.aol.com. -- To terminate puerile preservation prattling among pals and the uncoffee-ed, or to change your settings, go to: http://listserv.icors.org/archives/bullamanka-pinheads.html -- To terminate puerile preservation prattling among pals and the uncoffee-ed, or to change your settings, go to: <http://listserv.icors.org/archives/bullamanka-pinheads.html>