Electric-Motor Drive. (open access)

Electric-Motor Drive.

Patent for an electric-motor drive that can be used specifically with a cotton tramper, including instructions and illustrations.. This invention serves multiples methods of improvement compared to current electric-motor drives, and will make the processes its involved in more efficient, while being inexpensive to construct.
Date: July 31, 1917
Creator: Whitt, Joseph E.
System: The Portal to Texas History