Component piano string angle gauge

Details Component piano string angle gauge Component piano string angle gauge

1988-05-10

1989-01-17

Haroian, Harry N.

Geometrical instruments

Indicator of direction of force traversing natural media

Level or plumb, terrestrial gravitation responsive

33343, G01C 900

Patent

active

047980052

ABSTRACT:
An instrument for observing and measuring string segment angles in pianos wherein strings exist in three segments, a speaking string segment, a bridge string segment, and a rear string segment, these three segments creating two angles in the approximate vertical plane, a speaking string segment - bridge string segment angle, and a bridge string segment - rear string segment angle. Subject instrument having the capacity to measure said string segment angles accurately, and directly, without the need for calculations.

REFERENCES:
patent: 813003 (1906-02-01), Horsfall
patent: 1847728 (1932-03-01), Schmid
patent: 2567553 (1911-09-01), Davey
patent: 2842859 (1958-07-01), Pyciak

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