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Computing-Scale.
Patent for a computing scale for weighing items and calculating their price per pound.
Date:
September 26, 1911
Creator:
Cameron, Clyde M.
System:
The Portal to Texas History
Wrench
Patent for a wrench. Illustrations included.
Date:
January 3, 1911
Creator:
Humphries, Joseph T.
System:
The Portal to Texas History