History: Flexible adjustable parabolic trough Edit History Back to page | View logs for this page Browse history From year (and earlier): From month (and earlier): all January February March April May June July August September October November December Deleted only For any version listed below, click on its date to view it. For more help, see Help:Page history. (cur) = difference from current version, (prev) = difference from preceding version, m = minor edit, → = section edit, ← = automatic edit summary (cur | prev) 16:33, May 7, 2011 Tom Sponheim (Talk | contribs) m . . (5,514 bytes) (+5,514) . . (Created page with " An adjustable parabolic trough will help you fine tune your shapes to heat the way you wish. Start with a plastic FOR RENT sign (PVC SHEET). Take that to a sign shop and ask if ...") Retrieved from "http://solarcooking.wikia.com/wiki/Flexible_adjustable_parabolic_trough"