Ca. 1920 Wallis Model 15-25.
Manufactured by the J.I. Case Plow Works Co. Racine, Wisconsin. Serial number 21778. It carries the following note on the tag "Notice: We want the public to know that this is not the same tractor made by the J.I. Case Threshing Machine Co. Racine, Wisconsin." Powered by a Wallis four-cylinder engine with a 4 1/4" x 5 3/4" bore and stroke. It develops 30 horsepower, despite its 25 horsepower rating. Donated to the Museum by Domenico Accinelli, Lemon Grove, Ca.