1944 OTC Tools Owatonna Tool Co - Owatonna, MN WWII Era Ad - Case Tractor N751

This original 8.5 x 11" magazine ad from 1944 WWII Era features OTC Gripomatic Pullers for Tractors in service sets. Approved for use by the major tractor manufactures. The ad features a Case tractor.  OTC stands for Owatonna Tool Company and they were located in Owatonna, Minnesota in that time frame.