Harvey Firestone presents farmer Virgil A. Cullberg of Near Paton, Iowa - with a complete set of tractor wheels and tires at the 1934 Chicago Worlds Fair, for being the 2 millionth visitor to the Firestone exhibit

McCormick Deering W-30

http://collections.carli.illinois.edu/cdm/singleitem/collection/uic_cop/id/836/rec/583