NEWS100 year old tractors tell the story of innovation and invention at Rock River ThreshereeRory Esch (left) and his son, Connor, work together on the Case steam engine.John OnckenJoe Oncken, the writer’s grandson, stands next to a 1942 John Deere. (His dad, John, is a John Deere dealer in North Dakota. )John OnckenDave Willie of Necedah tightens a bolt on a shield on his rare yellow Massey industrial tractor.John OnckenUnion Grove High School senior Connor Esch, a senior at Union Grove High shows off his 1947 Massey Harris that he restored.John OnckenA line of threshing machinery stands quiet under rain threatening skies.John OnckenA few of the shows featured tractor, the Massey Harris, on display.John OnckenNote the logo of the old Twin Cities tractor which appears very comparable to the “Twins” uniforms.John OnckenEven not-so-young girls play in the mud at the Thresheree.John OnckenWatch out, the steamers are rolling!John OnckenFred Heidt of Cambria shares information about his 1932 Wallis tractor.John OnckenAntique tractor shows attract grandparents who remember and youngsters who enjoy.John Oncken