Original linen-backed French patent lithograph for Peugeot's improvement of an automobile with a removable electric headlight, one page, 11.25 x 10.5, circa 1918. The diagram features two views of an automobile's chassis designed to support a dynamo-powered electric headlight; the part identified as "3a" in "Fig. 3" is a sealed casing containing the chain and the motion transmission gears for controlling a dynamo which powers the headlight. The diagram is headed "No. 457.530, Societe Anonyme des Automobiles & Cycles Peugeot." In fine condition.
