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Tuning Device for Pianos.
Patent for "a means whereby the strings of a piano may be easily and deliberately tuned, and when tuned they will be held absolutely rigid and unyielding under all circumstances while the pins are set in wood, thus avoiding any possibility of the jarring of the parts." (Lines 36-42) Includes instructions and illustrations.
Date:
April 23, 1895
Creator:
Orser, Levi
System:
The Portal to Texas History
Method of Treating Cotton-Seed Hulls
Patent for "to utilize a heretofore waste product, and by means of a dry process to reduce the same to fine particles, which, being capable of felting, constitute stock" (lines 14-18).
Date:
September 23, 1890
Creator:
Bohn, Emil
System:
The Portal to Texas History