View of a 1908-1910 Duryea automobile engine. Handwritten on negative: "Charles E. Duryea Collection." Typed on sleeve: "Subject: Engines--Automotive (Duryea) Collection: MS3/Charles E. Duryea Collection. Date: 1908-1911. Source: Estate of Charles E. & M. Jerry Duryea. I.D.: Duryea cylinder (on left), with copper cooling spines in place and piston (on right)."