View of a Duryea automobile roller drive. Printed on front: "Rollers and rails are quickly replaced by any one. No expensive repair charges. Brake shoes are also quickly changed. This is joined to crankshaft. Applying power to the rim is right. It avoids usual reduction by gears and saves power. Does not harm the bearings. Duryea roller drive. Left half shown." Typed on back: "Subject: Automobiles--Design and construction (Duryea). Collection: MS3/Charles E. Duryea Collection. Date: c. 1917-1921. Source: Estate of Charles E. & M. Jerry Duryea. I.D.: Duryea roller drive."
