FR372540A - Apparatus for the production of blank phonograph cylinders - Google Patents

Apparatus for the production of blank phonograph cylinders

Info

Publication number
FR372540A
FR372540A FR372540DA FR372540A FR 372540 A FR372540 A FR 372540A FR 372540D A FR372540D A FR 372540DA FR 372540 A FR372540 A FR 372540A
Authority
FR
France
Prior art keywords
blank
production
phonograph
cylinders
phonograph cylinders
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
French (fr)
Inventor
Varian Mortimer Harris
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 FR372540A publication Critical patent/FR372540A/en
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
    • G11B3/68—Record carriers
    • G11B3/70—Record carriers characterised by the selection of material or structure; Processes or apparatus specially adapted for manufacturing record carriers
FR372540D 1906-12-13 1906-12-13 Apparatus for the production of blank phonograph cylinders Expired FR372540A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR372540T 1906-12-13

Publications (1)

Publication Number Publication Date
FR372540A true FR372540A (en) 1907-04-10

Family

ID=1419309

Family Applications (1)

Application Number Title Priority Date Filing Date
FR372540D Expired FR372540A (en) 1906-12-13 1906-12-13 Apparatus for the production of blank phonograph cylinders

Country Status (1)

Country Link
FR (1) FR372540A (en)

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