Portable Fan and Operating Machinery for Same.
Description:
Patent for a new and improved fan. This design "is fluted or corrugated . . . its lines of corrugation radiating from a common point. By this peculiar formation [it is] enabled to concentrate the surrounding air during its movement, and direct and carry it in a body back and forth . . . [and a] heavy bead or bar follows the zigzag or corrugated outline of the bottom of the fan, and serves as a weight to keep it tending downward toward a position of rest. . . . The frame carrying the fan is supp…
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Date:
March 16, 1886
Creator:
McComas, Arthur William & Fitzhugh, Henry A.
Item Type:
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Patent
Partner:
UNT Libraries Government Documents Department