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Automatic Measuring Machine
Patent for an automatic measuring machine. Illustration included.
Date:
December 21, 1909
Creator:
Whitten, Edgar, Jr. & Harrell, Attie Alfred
System:
The Portal to Texas History
Ant Trap
Patent for an ant trap. Illustration included.
Date:
December 28, 1909
Creator:
Mercer, John W.; Hasha, W. C. & Estes, W. N.
System:
The Portal to Texas History