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Piano Tuning-Pin
Patent for a piano tuning pin that has "superior advantages and of a simple and effective construction and arrangement of parts, which will provide for a more accurate tuning of the piano with which the device is used and at the same time preserve the strings against breakage by avoiding the use of sharp corners" (lines 14-18).
Date:
November 22, 1892
Creator:
Enos, Henry B.
System:
The Portal to Texas History