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FR551308A - Device applicable to piano keyboards to produce double and derivative sounds - Google Patents

Device applicable to piano keyboards to produce double and derivative sounds

Info

Publication number
FR551308A
FR551308A FR551308DA FR551308A FR 551308 A FR551308 A FR 551308A FR 551308D A FR551308D A FR 551308DA FR 551308 A FR551308 A FR 551308A
Authority
FR
France
Prior art keywords
sounds
derivative
device applicable
produce double
piano keyboards
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
French (fr)
Inventor
Ettore Varese
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of FR551308A publication Critical patent/FR551308A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G10C3/30—Couplers, e.g. for playing octaves

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
FR551308D 1922-05-12 1922-05-12 Device applicable to piano keyboards to produce double and derivative sounds Expired FR551308A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR551308T 1922-05-12

Publications (1)

Publication Number Publication Date
FR551308A true FR551308A (en) 1923-04-03

Family

ID=8936765

Family Applications (1)

Application Number Title Priority Date Filing Date
FR551308D Expired FR551308A (en) 1922-05-12 1922-05-12 Device applicable to piano keyboards to produce double and derivative sounds

Country Status (1)

Country Link
FR (1) FR551308A (en)

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