FR549173A - Operating mechanism for mechanical pianos - Google Patents

Operating mechanism for mechanical pianos

Info

Publication number
FR549173A
FR549173A FR549173DA FR549173A FR 549173 A FR549173 A FR 549173A FR 549173D A FR549173D A FR 549173DA FR 549173 A FR549173 A FR 549173A
Authority
FR
France
Prior art keywords
operating mechanism
pianos
mechanical
mechanical pianos
operating
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
Edgar James Burrus
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
APOLLO PLAYER AND PIANO COMPAN
Original Assignee
APOLLO PLAYER AND PIANO COMPAN
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 by APOLLO PLAYER AND PIANO COMPAN filed Critical APOLLO PLAYER AND PIANO COMPAN
Application granted granted Critical
Publication of FR549173A publication Critical patent/FR549173A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10F—AUTOMATIC MUSICAL INSTRUMENTS
    • G10F1/00—Automatic musical instruments
    • G10F1/02—Pianofortes with keyboard

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
FR549173D 1922-03-21 1922-03-21 Operating mechanism for mechanical pianos Expired FR549173A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR549173T 1922-03-21

Publications (1)

Publication Number Publication Date
FR549173A true FR549173A (en) 1923-02-03

Family

ID=8935345

Family Applications (1)

Application Number Title Priority Date Filing Date
FR549173D Expired FR549173A (en) 1922-03-21 1922-03-21 Operating mechanism for mechanical pianos

Country Status (1)

Country Link
FR (1) FR549173A (en)

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