Exploded view of the "Umph" timer manufactured by the A.R. Mosler & Company at the 1909 Auto Show held at the Essex Troop Armory in Newark, New Jersey. The device was made under the Mosler and Klahn patents. Stamped on back: "Spooner and Wells, 1931 Broadway, New York, duplicates any time, enlargements all sizes, tel. 3472-3473 Col., credit appreciated." Handwritten on back: "M & K timer. Shows--Newark Auto Show, 1909."
