227 N.W. 603 WALLIE CHARPENTIER v. JAMES CUMMING.[1] No. 27,500.Supreme Court of Minnesota. November 29, 1929. [1] Reported in 227 N.W. 663. Employer was engaged in commercial threshing. 1. Where a farmer owns a threshing rig and engages to thresh for eight or more farmers in his vicinity each year for more than five successive […]