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Electromechanical Switch Thrower
Patent for an electromechanical switch thrower. Illustration included.
Date:
July 31, 1906
Creator:
Posey, James A.
System:
The Portal to Texas History
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