Patent for a direction indicator that is "extremely simple, durable, efficient in operation, and inexpensive to manufacture" (lines 20-22). It is "an improved electrically operated direction indicator, in the nature of an arm pivotally mounted in a casing and operated by an electro-magnetically controlled lever [...] for indicating the directions in which the vehicle to which the device is applied, is about to move" (lines 10-17), including illustrations.