CH26637A
(en )
1903-10-15
Machine for recording and reproducing sounds
FR351085A
(en )
1905-07-03
Improvements made to sound recording and reproducing machines
FR381644A
(en )
1908-01-16
Sound reproducing apparatus for phonographs and other speaking machines
CA79514A
(en )
1903-03-03
Talking or sound recording and reproducing machines
CA79513A
(en )
1903-03-03
Talking or sound recording and reproducing machine
FR360018A
(en )
1906-04-11
Sound regulator for diaphragms of sound recording and reproducing machines
FR367690A
(en )
1906-11-07
Recording apparatus for disc sound reproducing machines
FR329723A
(en )
1903-08-05
Adding and recording machine
GB190217459A
(en )
1902-09-11
Improvements in Apparatus for Recording and Reproducing Sounds.
FR11739E
(en )
1910-04-20
Machine recording and reproducing sounds
FR405330A
(en )
1909-12-27
Machine recording and reproducing sounds
CA76975A
(en )
1902-08-05
Adding and recording machine
FR421491A
(en )
1911-02-23
Improvements to sound reproducing machines
FR333009A
(en )
1903-11-13
Apparatus for recording or producing sound in talking disc machines
FR342646A
(en )
1904-09-13
Gramophone sound reproducing disc
FR343623A
(en )
1904-10-11
Diaphragm for phonographs and other sound recording and reproducing apparatus
FR394000A
(en )
1909-01-11
Improvements in apparatus and methods for recording and reproducing sound
CA79836A
(en )
1903-03-24
Sound box for recording and reproducing apparatus
FR383226A
(en )
1908-02-27
Recording method for sound reproduction
FR332137A
(en )
1903-10-16
Improvements in the construction of sound reproducers
CH42063A
(en )
1908-12-16
Machine for sound reproduction
CH32220A
(en )
1905-06-30
Card covered with a composition making it suitable for recording and phonographic repetition of sounds
FR3979E
(en )
1905-04-19
Gramophone sound reproducing disc
FR334001A
(en )
1903-12-09
Gramophone phonograph
FR336228A
(en )
1904-03-02
Improvements in sound recording and reproducing devices, such as graphophones, zonophones, etc.