Resource Type
States
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Wheeled Plow.
Patent for a wheeled plow with multiple accessories attached to it that allows for adjustment of each accessory separately, holds the weight of the parts better, and keeps the parts more securely connected to the plow.
Date:
February 26, 1907
Creator:
Hendon, Walter P.
System:
The Portal to Texas History
Electromagnetic Ore-Separator.
Patent for an electromagnetic ore separator, which reduces the risk of any valuable particles falling with the waste mineral material below the magnetic surface.
Date:
February 16, 1909
Creator:
Charlton, Thomas
System:
The Portal to Texas History