History: Example Spread Sheet 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) 21:20, April 29, 2013 Tom Sponheim (Talk | contribs) . . (35,698 bytes) (+37) . . (Adding categories) (undo) (cur | prev) 21:16, March 31, 2012 Tom Sponheim (Talk | contribs) . . (35,661 bytes) (+34) . . (Adding categories) (undo) (cur | prev) 12:01, February 22, 2010 Ashok Mathur2 (Talk | contribs) m . . (35,627 bytes) (+11,254) . . (undo) (cur | prev) 11:08, February 22, 2010 Ashok Mathur2 (Talk | contribs) . . (24,373 bytes) (+24,373) . . (Created page with ' ==Spread Sheet showing how to calculate eficiency.== '''It is not based on any actual data.''' '''It shows calculations for two solar cookers of areas of 2.5 Sq Mts and 10 Sq…') Retrieved from "http://solarcooking.wikia.com/wiki/Example_Spread_Sheet"