CH27824A - Instrument for amplifying weak tones - Google Patents

Instrument for amplifying weak tones

Info

Publication number
CH27824A
CH27824A CH27824A CH27824DA CH27824A CH 27824 A CH27824 A CH 27824A CH 27824 A CH27824 A CH 27824A CH 27824D A CH27824D A CH 27824DA CH 27824 A CH27824 A CH 27824A
Authority
CH
Switzerland
Prior art keywords
instrument
amplifying weak
weak tones
tones
amplifying
Prior art date
Application number
CH27824A
Other languages
German (de)
Inventor
Isaac Wieder Henry Geo Abraham
Original Assignee
Wieder Henry George Abraham Is
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 Wieder Henry George Abraham Is filed Critical Wieder Henry George Abraham Is
Publication of CH27824A publication Critical patent/CH27824A/en

Links

CH27824A 1903-03-10 1903-03-10 Instrument for amplifying weak tones CH27824A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH27824T 1903-03-10

Publications (1)

Publication Number Publication Date
CH27824A true CH27824A (en) 1904-02-29

Family

ID=4241457

Family Applications (1)

Application Number Title Priority Date Filing Date
CH27824A CH27824A (en) 1903-03-10 1903-03-10 Instrument for amplifying weak tones

Country Status (1)

Country Link
CH (1) CH27824A (en)

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