Fair Scene: Wednesday, Aug 19 Iowa Public Radio | By John Pemble Published August 19, 2015 at 5:00 AM CDT Facebook Twitter LinkedIn Email John Pemble/IPR A 1972 Allis Chalmers is one of many restored tractors at Iowa State Fair as part of the Future Farmers of America Ag Mechanics show. 8/15/2015 Photo by John Pemble