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Sulfur-Mining
Patent for improvement on sulfur mining by which "sulfur is fused by a heated fluid forced down into the well to the vicinity of the sulfur deposit and when so fused the sulfur is forced to the surface of the ground through a return pipe" (lines 14-18).
Date:
December 17, 1918
Creator:
Carmichael, Robert E.
System:
The Portal to Texas History
Sulphur-Mining Apparatus.
Patent for a thermal solvent based sulfur mining apparatus that is placed in a sulfur mining well. Utilizing thermodynamics, the apparatus has a new way to introduce air or steam into the various parts of the apparatus. It is designed with "simplicity and durability of construction" (lines 49-50).
Date:
December 17, 1918
Creator:
Carmichael, Robert E.
System:
The Portal to Texas History