Fly-Fan.
Description:
Patent for improvements in fly fans, is to use the fan in conjunction “with screen doors whereby during the opening and closing of the door the fan will be operated in a direction to direct a current of air outwardly and thereby act as a barrier against the ingress of flies” (lines 16-21). Illustration is included.
Date:
October 7, 1913
Creator:
Williams, John W.
Partner:
UNT Libraries Government Documents Department