426 Matching Results

Search Results

Results: 1 - 24 next

Calculating Device.

Description: Patent for a new and improved calculator. This design "consists in having a central disk provided on each side with a disk somewhat smaller, the three being pivoted centrally, so that the smaller disks on the sides may be rotated independently of the central disk. The central disk has twelve or more marginal figures on each side, equidistant from each other, and a column of figures extending inwardly from each marginal figure" (lines 19-27).
Date: November 24, 1885
Creator: Tucker, Argyle W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Broom Rack.

Description: Patent for a new and improved broom rack. This design "compris[es] the lower ring provided in its outer edge with a series of notches adapted to receive the head of the brooms, the upper ring arranged to fit within the opening of the lower ring when not in use and provided with a series of perforations to receive the handles of the brooms, the chains or other suitable means for connecting the rings, and the chains . . . secured to the upper rings" (lines 79-88).
Date: June 24, 1890
Creator: Neely, William D.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
Back to Top of Screen