US188706A - Improvement in piano-actions - Google Patents

Improvement in piano-actions Download PDF

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Publication number
US188706A
US188706A US188706DA US188706A US 188706 A US188706 A US 188706A US 188706D A US188706D A US 188706DA US 188706 A US188706 A US 188706A
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US
United States
Prior art keywords
piano
actions
improvement
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Expired - Lifetime
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    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10C—PIANOS, HARPSICHORDS, SPINETS OR SIMILAR STRINGED MUSICAL INSTRUMENTS WITH ONE OR MORE KEYBOARDS
    • G10C3/00—Details or accessories
    • G10C3/16—Actions

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
US188706D Improvement in piano-actions Expired - Lifetime US188706A (en)

Publications (1)

Publication Number Publication Date
US188706A true US188706A (en) 1877-03-20

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US188706D Expired - Lifetime US188706A (en) Improvement in piano-actions

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