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Wheeled Gang Plow
Patent for a wheeled gang plow. "This invention relates to improvements in motor drawn wheeled gang plows of the disk type" (lines 13-15). Illustrations included.
Date:
August 6, 1912
Creator:
Weiler, Nicholas
System:
The Portal to Texas History
Process of Treating Slag and Furnace Therefor.
Patent for a process of treating slag and furnace therefore. It has an improved method for separates melted metals produced during smelting and extracting the precious metals from slag. The richer matte and base-bullion run off separately and into separate taps.
Date:
August 20, 1895
Creator:
van Cleve, Charles M. & Rhodes, Robert D.
System:
The Portal to Texas History