Resource Type

Cotton-Chopping Attachment for Cultivators (open access)

Cotton-Chopping Attachment for Cultivators

Patent for a cotton chopping attachment for cultivators. Illustrations included.
Date: July 30, 1912
Creator: Smith, Charles F. & Smith, Clyde D.
System: The Portal to Texas History
Cylinder for Cotton-Gins (open access)

Cylinder for Cotton-Gins

Patent for a cylinder for cotton-gins in which the cylinder has teeth that are "secured to the project from the periphery of the disk" (lines 17-18).
Date: January 23, 1912
Creator: Fuller, James T.
System: The Portal to Texas History
Surgical Instrument (open access)

Surgical Instrument

Patent for a surgical instrument for increasing dilation of the uterine cavity and for taking medical tampons in and out.
Date: December 3, 1912
Creator: McMordie, William Emmett
System: The Portal to Texas History