Description: Patent for an improvement in washing-machines by using a novel arrangement of the rollers, the tub-supporting frame, the horizontal swinging rubber, and a series of closely arranged longitudinal spiral springs; so that “the pressure upon each separate article can be adjusted or regulated by the judgment of the [operator].” (Lines 12-14) Illustration is included.
Date: April 7, 1891
Creator: Bennington, William J.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department