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Locomotive Wheel Hub and Plate
Patent for improvements to locomotive wheel hubs and plates with the purpose of "inhibiting adjustment of the plate beyond the safety point" (lines 20-21), including illustrations.
Date:
November 7, 1922
Creator:
Lambert, Floyd D.
System:
The Portal to Texas History
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