View of mechanical drawing of a Da Vinci automobile engine. Typed on back: "Subject: Da Vinci, 1922 design. Collection: MS10/James Scripps Booth Collection. Date: 1923 or 1924. Location: Detroit, Mich.? Photographer: Spencer & Wyckoff, Detroit, Mich.? Source: John M. Booth. I.D.: Engine drawing from mechanical drawing of Da Vinci as executived [sic] by James S. Booth."
