A digital recreation of an article published in Popular Science, 
April 1940
Up to 230 miles on a gallon of gasoline is the economical fuel-consumption rate of a curious motorized scooter constructed by E. Roberts, of Philadelphia, Pa. Converted from a toy motor cycle, the midget vehicle is driven by a one-fifth-horsepower model-airplane engine, acting on the front rubber-tired wheel through a spring-supported friction roller. Fifteen miles an hour is top speed on level ground.
Text and images found at modernmechanix.com
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