Combination Roller and Protector.
Description:
Patent for a new and improved roller and protector for maps and charts. This design consists, "with the case having longitudinal slot at its under side, the caps upon the ends of the case and formed with ears, the springs upon the case having their ends engaging the ends of the caps, metal bearings in the ends of the caps, the roller within the case with its pintles journaled in said bearings, and the cord wound upon the roller at one end in a reverse direction to the article carried by the rol…
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Date:
June 24, 1890
Creator:
Turner, Ephraim M.
Item Type:
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Patent
Partner:
UNT Libraries Government Documents Department