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Pump
Patent for improvements to pumps in working barrels, packing, and packing chambers, the purpose of which is to eliminate easily worn parts and improve the efficiency of these pumps, including illustrations.
Date:
November 28, 1922
Creator:
Kerr, Michael A.
System:
The Portal to Texas History
Hair-Wave Former.
Patent for an improved hair-wave former device so "hair may be waved or coiled by a harmless method without heating the air and without rolling the hair with paper" (lines 12-15), including illustrations.
Date:
February 28, 1922
Creator:
Thompson, Mary E.
System:
The Portal to Texas History