Michigan. CU of candle flame in early automotive lamp. The Baker Runabout, an early car that used electricity in it's lamps. Car engineers work in a studio. MS inside dark automotive factory, pieces are being made by men and women. Lights are made by a woman in the assembly line. Man walks into the "lighting laboratory." He turns all lights off but one, lights a cigarette, and his smoke is illuminated. ES headlights of hundreds of cars driving down highway at dusk.