| description: | Harvesting On The Wilson Brothers' 5920-Acre Farm Near Harris, Sk., Using Two Mccormick-Deering 16-Foot Windrower-Harvesters Pulled By Two Mccormick-Deering 15-30 Tractors. Prior To 1929 Field Work Was Performed Using 125 To 150 Horses And 40 To 50 Men. |