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Improvement in liquid-measuring tanks.

Description: Patent for an airtight and fireproof measuring tank for lamp oils, usable in both daytime and nighttime. Includes illustrations.
Date: August 22, 1876
Creator: Williams, Blasius
Partner: UNT Libraries Government Documents Department

Improvement in Plows.

Description: Patent to improve the construction of the mold-board of the plow described in Letters Patent No. 163,352, "to make it more effective in preventing the black lands of Texas and other sticky and waxy soils from adhering to it, and to enable a proper furrow to be turned, however sticky and waxy the soil may be." (Lines 17-22) Includes instructions and illustrations.
Date: June 20, 1876
Creator: Bell, Francis R.
Partner: UNT Libraries Government Documents Department
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