Plans to build the 1906 "Bill" 4-Cycle Gas Engine Advertised by the Downing Engine Works of Des Plains, Illinois in 1906 for $125.00, the 3 horsepower "Bill" engine is somewhat of an enigma. A patent was issued to William A. Downing for the design but it is not known how many were actually produced, if any.
By clicking "Accept All Cookies", you agree to the storing of cookies on your device to enhance site navigation, analyze site usage, and assist in our marketing efforts.