CH49934A
(en )
1911-04-17
Method for recording and reproducing living, sound photographs for the purpose of synchronizing the cinematograph and the speaking machine
CH49615A
(en )
1911-03-01
Device for guiding the music tape on music recording units
FR436157A
(en )
1912-03-20
Apparatus for recording and playing phonographic records
CH70921A
(en )
1916-01-17
Method and device for recording and reproducing sounds on and from cinematograph films
AU1533309B
(en )
1910-01-18
Improvements in and connected withthe stylus bar of phonographs and apparatus for varying the speed ofthe reproducer acrossthe record
FR401639A
(en )
1909-09-06
Device for recording and playing music
CH74653A
(en )
1917-03-16
Reproduction device and sound amplifier on phonographs
AU1533309A
(en )
1910-01-18
Improvements in and connected withthe stylus bar of phonographs and apparatus for varying the speed ofthe reproducer acrossthe record
CA144245A
(en )
1912-11-19
Phonographic recording and reproducing device
FR15803E
(en )
1912-10-04
Phonograph records
CH78729A
(en )
1918-09-02
Device for the phonographic recording and reproduction of conversations transmitted by telephone
FR481600A
(en )
1916-12-19
Reproducing device and sound amplifier, for phonographs
CH76217A
(en )
1917-11-16
Sound recording and reproducing machine for sound discs
CH49153A
(en )
1911-01-16
Apparatus for recording and reproducing sounds
FR411343A
(en )
1910-06-14
Method and device for recording and reproducing sound vibrations
FR459319A
(en )
1913-11-03
Talking machine for recording and reproduction
CA145465A
(en )
1913-01-21
Apparatus for recording the use of phonograph records
AU1579209B
(en )
1910-04-05
Improvements relating to sound reproducing and recording instruments
AT73121B
(en )
1917-02-26
Method for recording lectures of a speaking machine and an accompanying mechanical game device with music tape drive.
FR425086A
(en )
1911-06-01
Recorder for disc phonographs
FR441816A
(en )
1912-08-17
Phonograph records
FR11739E
(en )
1910-04-20
Machine recording and reproducing sounds
FR405330A
(en )
1909-12-27
Machine recording and reproducing sounds
CA144723A
(en )
1912-12-17
File and recording apparatus
CA143831A
(en )
1912-11-05
Sound recording apparatus