| description: | J. Macgregor Smith (L), Professor Of Agriculture At The University Of Alberta, And Harold Mclaughlin Inspecting The Mccormick-Deering Combination Outfit Used On Mclaughlin'S 800-Acre Farm Near Spruce Grove, Ab. The Outfit Consisted Of A Plow Press Drill,Trailing Plow Packer, Four-Bottom Tractor Plow, And A 15 -30 Tractor |