View of a Da Vinci "Pup" cyclecar chassis, designed by James Scripps Booth. Typed on back: "Subject: Da Vinci 'Pup,' 1929. Collection: MS10/James Scripps Booth Collection. Date: c. 1940's. Location: Detroit, Mich. (at Terminal Avenue shop). Source: John M. Booth. I.D.: Commercial Pup chassis, c. 1940's. Mechanism at rear tightened drive belts. Engine: Johnson Marine engine, 2 cycle."