FR503992A - Phonographe double - Google Patents

Phonographe double

Info

Publication number
FR503992A
FR503992A FR503992DA FR503992A FR 503992 A FR503992 A FR 503992A FR 503992D A FR503992D A FR 503992DA FR 503992 A FR503992 A FR 503992A
Authority
FR
France
Prior art keywords
phonograph
double
double phonograph
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
English (en)
Inventor
Charles Pasteur
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR503992A publication Critical patent/FR503992A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B3/00—Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor
FR503992D 1919-09-18 1919-09-18 Phonographe double Expired FR503992A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR503992T 1919-09-18

Publications (1)

Publication Number Publication Date
FR503992A true FR503992A (fr) 1920-06-22

Family

ID=1535600

Family Applications (1)

Application Number Title Priority Date Filing Date
FR503992D Expired FR503992A (fr) 1919-09-18 1919-09-18 Phonographe double

Country Status (1)

Country Link
FR (1) FR503992A (fr)

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