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Cotton Boll Threshing Machine.
Patent for a cotton boll breaking mechanism and a means for breaking cotton bolls which are not opened sufficiently for the cotton to be picked.
Date:
March 20, 1917
Creator:
Cass, Thomas
System:
The Portal to Texas History
Switch.
Patent for a switch mechanism for use on railroads. The switch can be installed without cutting the railroad tracks. Instructions and illustrations are included.
Date:
March 20, 1917
Creator:
Allen, Gus V.
System:
The Portal to Texas History