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Boiler-Cleaning Compound.
Patent for a boiler-cleaning compound made up of "an improved compound having sodium hydrate for a base, and having certain subordinate ingredients whereby its efficiency is increased, and whereby the action of the sodium hydrate is so modified that no detriment to the boiler iron will result" (lines 10-16).
Date:
February 19, 1895
Creator:
Hill, Martin L.
System:
The Portal to Texas History
Process of Treating Cotton-Stalks
Patent for a low cost method of treating cotton-stalks to be used for similar purposes to hemp and other similar fibers.
Date:
February 19, 1918
Creator:
Jones, Levander D.; Deacon, Herbert D. & Marvin, Zebina E.
System:
The Portal to Texas History
Separating and Grading Machine
Patent for a separating and grading machine that separates foreign matter from produce such as peanuts, and also the produce are cleaned and at the same time graded for the market.
Date:
February 19, 1919
Creator:
Sparks, James N.
System:
The Portal to Texas History