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CH4279A - Tonveränderungseinrichtung an Pianofortes - Google Patents

Tonveränderungseinrichtung an Pianofortes

Info

Publication number
CH4279A
CH4279A CH4279A CH4279DA CH4279A CH 4279 A CH4279 A CH 4279A CH 4279 A CH4279 A CH 4279A CH 4279D A CH4279D A CH 4279DA CH 4279 A CH4279 A CH 4279A
Authority
CH
Switzerland
Prior art keywords
pianofortes
changing device
sound changing
sound
changing
Prior art date
Application number
CH4279A
Other languages
English (en)
Inventor
Otto Spaethe
Original Assignee
Otto Spaethe
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 Otto Spaethe filed Critical Otto Spaethe
Publication of CH4279A publication Critical patent/CH4279A/de

Links

CH4279A 1891-12-05 1891-12-05 Tonveränderungseinrichtung an Pianofortes CH4279A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH4279T 1891-12-05

Publications (1)

Publication Number Publication Date
CH4279A true CH4279A (de) 1892-03-31

Family

ID=4186775

Family Applications (1)

Application Number Title Priority Date Filing Date
CH4279A CH4279A (de) 1891-12-05 1891-12-05 Tonveränderungseinrichtung an Pianofortes

Country Status (1)

Country Link
CH (1) CH4279A (de)

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