Resource Type
Counties
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CONCRETE-BLOCK MACHINE
Patent for "improvements in means for improving cement or concrete blocks."(ln. 12-14)
Date:
February 10, 1914
Creator:
Cathriner, Joseph
System:
The Portal to Texas History
Air-Blast Cotton-Gin
Patent for airing out the lent from the brushes on the ginn. This also uses less power than the ones before.
Date:
November 21, 1914
Creator:
Ginn, C.B.
System:
The Portal to Texas History