|
DK25191C
(en)
|
|
Sound recorder for voice machines.
|
|
DK30591C
(en)
|
|
Holder for Microphones.
|
|
DK30631C
(en)
|
|
Microphone.
|
|
DK25012C
(en)
|
|
Microphone.
|
|
ES71614A1
(en)
|
|
Microphone.
|
|
DK29167C
(en)
|
|
Listening microphone.
|
|
DK30372C
(en)
|
|
Tone arm for voice machines and the like.
|
|
DK25135C
(en)
|
|
Device by sound boxes for speech machines.
|
|
DK24965C
(en)
|
|
Speech machine.
|
|
DK30416C
(en)
|
|
Speech machine.
|
|
CH82620A
(en)
|
|
Talking machine
|
|
ES76347A1
(en)
|
|
Apparatus for dictating phonograph.
|
|
DK28530C
(en)
|
|
Headphone.
|
|
DK29049C
(en)
|
|
Connection method for Termion amplifiers.
|
|
DK28063C
(en)
|
|
Chinboard for Violins.
|
|
DK30177C
(en)
|
|
Magazine phonograph.
|
|
FR506343A
(en)
|
|
Improvements to talking machines
|
|
FR496769A
(en)
|
|
Phonograph
|
|
DK27616C
(en)
|
|
Sound suit for voice machines and the like.
|
|
AT91060B
(en)
|
|
Additional amplifier device for any telephone set.
|
|
DK26481C
(en)
|
|
Turntable.
|
|
DK28679C
(en)
|
|
Cinematographer.
|
|
DK24114C
(en)
|
|
Electrodynamic Machine.
|
|
DK25001C
(en)
|
|
Drives for Counting Machines.
|
|
ES74582A1
(en)
|
|
An improved microphone.
|