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Pump-Jack.

Description: Patent for an improved version of "operating pumps and similar apparatus" (lines 8-9).
Date: January 30, 1906
Creator: York, Francis M.
Partner: UNT Libraries Government Documents Department

Tank-Valve.

Description: Patent for tank-valves in which “a valve may be readily detached for renewal or repairs and adaptable without material change of structure to any of the various forms and structures of tanks manufactured.” (Lines 18-22.) Illustration is included.
Date: January 3, 1905
Creator: Burchett, Edward Lee
Partner: UNT Libraries Government Documents Department
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