Jul 21, 2009 · Bolong July 2009, Vol. 50, No. 7, p. 44 One of the earliest Compost Science references to windrow turners describes a mechanical stirrer constructed from old automobile parts and scrap, including a 1938 Ford V-8 engine. Nora Goldstein TRACKING back through the pages of Compost Science from the early 1960s, there are references to equipment