CH76215A - Sound amplifier for plate speaking machines - Google Patents

Sound amplifier for plate speaking machines

Info

Publication number
CH76215A
CH76215A CH76215A CH76215DA CH76215A CH 76215 A CH76215 A CH 76215A CH 76215 A CH76215 A CH 76215A CH 76215D A CH76215D A CH 76215DA CH 76215 A CH76215 A CH 76215A
Authority
CH
Switzerland
Prior art keywords
plate
sound amplifier
speaking machines
speaking
machines
Prior art date
Application number
CH76215A
Other languages
German (de)
Inventor
Ehmer Nier
Original Assignee
Nier & Ehmer
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 Nier & Ehmer filed Critical Nier & Ehmer
Publication of CH76215A publication Critical patent/CH76215A/en

Links

CH76215A 1917-06-02 1917-06-02 Sound amplifier for plate speaking machines CH76215A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH76215T 1917-06-02

Publications (1)

Publication Number Publication Date
CH76215A true CH76215A (en) 1917-11-16

Family

ID=4327970

Family Applications (1)

Application Number Title Priority Date Filing Date
CH76215A CH76215A (en) 1917-06-02 1917-06-02 Sound amplifier for plate speaking machines

Country Status (1)

Country Link
CH (1) CH76215A (en)

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