View of gauge panel and ammeters, possibly part of the Absorption and Indicating Dynamometer constructed by the Automobile Club of America for its members. Sign and chart on rear wall reads: "[Absorption and indic]ating dynamometer for automobiles ... by the club for use of its members, 1907." Stamped on back: "Spooner & Wells, Inc., photographers, telephone North 1745. 1231 Woodward Ave., Detroit, Mich. Detroit, 1231 Woodward, New York, 1931 Broadway." Handwritten on back: "Machinery--Electrical, 1910."