CH74653A - Reproduction device and sound amplifier on phonographs - Google Patents

Reproduction device and sound amplifier on phonographs

Info

Publication number
CH74653A
CH74653A CH74653A CH74653DA CH74653A CH 74653 A CH74653 A CH 74653A CH 74653 A CH74653 A CH 74653A CH 74653D A CH74653D A CH 74653DA CH 74653 A CH74653 A CH 74653A
Authority
CH
Switzerland
Prior art keywords
phonographs
reproduction device
sound amplifier
amplifier
sound
Prior art date
Application number
CH74653A
Other languages
French (fr)
Inventor
Corporation Sonora Phonograph
Original Assignee
Sonora Phonograph Corp
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 Sonora Phonograph Corp filed Critical Sonora Phonograph Corp
Publication of CH74653A publication Critical patent/CH74653A/en

Links

CH74653A 1916-05-02 1916-05-02 Reproduction device and sound amplifier on phonographs CH74653A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH74653T 1916-05-02

Publications (1)

Publication Number Publication Date
CH74653A true CH74653A (en) 1917-03-16

Family

ID=4325529

Family Applications (1)

Application Number Title Priority Date Filing Date
CH74653A CH74653A (en) 1916-05-02 1916-05-02 Reproduction device and sound amplifier on phonographs

Country Status (1)

Country Link
CH (1) CH74653A (en)

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