CH25937A - Telephon-Hörschlauch - Google Patents

Telephon-Hörschlauch

Info

Publication number
CH25937A
CH25937A CH25937A CH25937DA CH25937A CH 25937 A CH25937 A CH 25937A CH 25937 A CH25937 A CH 25937A CH 25937D A CH25937D A CH 25937DA CH 25937 A CH25937 A CH 25937A
Authority
CH
Switzerland
Prior art keywords
hearing tube
telephone hearing
telephone
tube
hearing
Prior art date
Application number
CH25937A
Other languages
English (en)
Inventor
Imhof Jakob Schlaeppi
Original Assignee
Jakob Schlaeppi & Imhof
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 Jakob Schlaeppi & Imhof filed Critical Jakob Schlaeppi & Imhof
Publication of CH25937A publication Critical patent/CH25937A/de

Links

CH25937A 1902-05-10 1902-05-10 Telephon-Hörschlauch CH25937A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH25937T 1902-05-10

Publications (1)

Publication Number Publication Date
CH25937A true CH25937A (de) 1903-07-15

Family

ID=4237260

Family Applications (1)

Application Number Title Priority Date Filing Date
CH25937A CH25937A (de) 1902-05-10 1902-05-10 Telephon-Hörschlauch

Country Status (1)

Country Link
CH (1) CH25937A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE35051E (en) * 1986-08-04 1995-10-03 Moore; Michael R. Combination multiple supported variable position audio intake control devices

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE35051E (en) * 1986-08-04 1995-10-03 Moore; Michael R. Combination multiple supported variable position audio intake control devices

Similar Documents

Publication Publication Date Title
CH25937A (de) Telephon-Hörschlauch
FR321530A (fr) Microphone
CH26330A (de) Mikrophon
CH26991A (de) Fernsprechanlage
CH408E (de) Kabelkanal
CH27601A (de) Selbstkassierende Fernsprechstelle
CH26636A (de) Sprechrohr für Telephonapparate
CH23696A (de) Pflugsriester
CH26203A (de) Hourdis
CH25363A (it) Porta Biglioli
CH27420A (de) Sprechuhr
FI1746A (fi) Telefonanordning
FR318901A (fr) Embouchure téléphonique mobile
CH23557A (de) Stereorama
CH26992A (fr) Poste téléphonique simplifié
FI1659A (fi) Anordning att hopfästa varupaket
FI1810A (fi) Inrättning att göra bläckflaskor pneumatiskt verkande
FI1862A (fi) Sätt att framställa salpetersyra
CH27234A (de) Sprechhülfsmittel für Telephongespräche
CH25936A (de) Verbessertes Körnermikrophon
FR322304A (fr) Pipe perfectionnée
CH27566A (fr) Pipe perfectionnée
FR2037E (fr) Carburateur-économiseur
FR320652A (fr) Axiateur
FR322578A (fr) Anesthésiateur