Texas Patents - 1 Matching Results
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- Piano-Forte Tuning-Pin Lock.
- Patent for a new and improved lock for forte-piano tuning-pins. This design consists "of an elongated or oblong metal plate provided with a slot in a part of its length and having one of its faces roughened into serrations . . . which, together with . . . correspondingly-toothed hooks bolted to said plate, form a clamp to bind two or more tuning-pins of a piano together, to prevent them from turning as a set or independently" (lines 16-25).