CH19317A
(en )
1900-06-30
Mechanical musical mechanism with exchangeable note discs
CH20543A
(en )
1901-02-28
Mechanical musical mechanism with exchangeable note discs
CH16754A
(en )
1899-02-15
Mechanical musical mechanism with exchangeable note discs
CH16824A
(en )
1899-02-15
Mechanical musical mechanism with exchangeable note discs
CH21306A
(en )
1901-06-30
Musical mechanism with exchangeable note discs
CH18924A
(en )
1900-04-15
Mechanical musical mechanism
CH19316A
(en )
1900-06-30
Mechanical musical mechanism
CH19384A
(en )
1900-06-30
Mechanical musical mechanism
CH16024A
(en )
1898-09-15
Mechanical musical mechanism with exchangeable cylinder
CH31182A
(en )
1905-03-15
Mechanical musical mechanism with exchangeable music disc
CH21635A
(en )
1901-08-31
Mechanical musical instrument with automatically replaceable note discs
CH17973A
(en )
1899-09-30
Mechanical string-tone musical mechanism
CH17511A
(en )
1899-06-30
Mechanical musical mechanism
CH19619A
(en )
1900-08-31
Innovation in mechanical musical works
CH24453A
(en )
1903-01-15
Mechanical musical instrument with automatically replaceable note discs
CH22845A
(en )
1902-04-15
Mechanical musical mechanism with automatic change of note discs
CH24566A
(en )
1903-01-31
Mechanical musical mechanism with automatic change of note discs
CH22105A
(en )
1901-11-30
Mechanical musical mechanism
CH21305A
(en )
1901-06-30
Mechanical musical mechanism
CH19084A
(en )
1900-04-30
Sophisticated split-seconds mechanism
CH16439A
(en )
1898-11-30
Mechanical musical mechanism with electric drive
CH29449A
(en )
1904-08-31
Mechanical music piece with exchangeable discs
CA66774A
(en )
1900-03-27
Piano action
CH20541A
(en )
1901-02-15
Music box
CH12556A
(en )
1897-01-31
Mechanical musical mechanism with rotating, automatically exchangeable sheet music