Patent for a new and improved fly fan or brush. This design consists "[i]n an automatic fly fan or brush, a suitable hollow post terminating at its upper end in a casing, a crank-shaft and conical pulley located therein, and gearing connecting the crank-shaft with the pulley-shaft, in combination with a cord connected to the pulley and to a rubber band or cord passing around a pulley at the base of the post, said rubber cord or band at one end being connected thereto, a pitman-rod connecting the crank-shaft with the arm carrying the fan or brush" (lines 84-94).