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The Southwestern Historical Quarterly, Volume 22, July 1918 - April, 1919

Description: The Texas State Historical Association Quarterly Report includes "Papers read at the meetings of the Association, and such other contributions as may be accepted by the Committee" (volume 1, number 1). These include historical sketches, biographical material, personal accounts, and other research. Index is located at the end of the volume starting on page 367.
Date: 1919
Creator: Texas State Historical Association
Item Type: Refine your search to only Journal/Magazine/Newsletter
Partner: Texas State Historical Association

Pump.

Description: Patent for an improved pump valve designed for a pump for pumping oil from oil wells "which will not be affected by the fluid or gas pressure in the bore" (lines 17-18).
Date: September 30, 1919
Creator: Graf, Sydney H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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