Patent for a new and improved fan. This design "consists mainly, first, in the combination with a swinging bar of metal or wood, or both, carrying the fans, of a balance-weight located at an angle to the line of the bar for the purpose of retarding its backward movement; and, second, in the combination, with a shaft and a hinge-connection uniting the fan-holder clamp to the shaft, of a removable pin by means of which the fan may be caused to move positively with the shaft or swing independently of it, as may be desired" (lines 12-22).