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Single Well Cylinder
Patent for a single well cylinder pump intended to provide more efficient use in a deep well. This cylinder is distinct for its incorporation of a "inwardly opening valve controlling the passage of fluid into an inner cylinder" (p.2, lines 34-37)
Date:
December 15, 1914
Creator:
Ligon, Arthur Lee
System:
The Portal to Texas History
Instep-Plate for Shoes
Patent for a protector for the instep of a shoe. Illustrations included.
Date:
February 4, 1913
Creator:
Glenn, Columbus Walter
System:
The Portal to Texas History