FR574422A - Improvements to cameras - Google Patents

Improvements to cameras

Info

Publication number
FR574422A
FR574422A FR574422DA FR574422A FR 574422 A FR574422 A FR 574422A FR 574422D A FR574422D A FR 574422DA FR 574422 A FR574422 A FR 574422A
Authority
FR
France
Prior art keywords
cameras
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
Solomon Cohen
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 filed Critical
Application granted granted Critical
Publication of FR574422A publication Critical patent/FR574422A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B19/00—Cameras
    • G03B19/02—Still-picture cameras
    • G03B19/04—Roll-film cameras

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR574422D 1923-12-13 1923-12-13 Improvements to cameras Expired FR574422A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR574422T 1923-12-13

Publications (1)

Publication Number Publication Date
FR574422A true FR574422A (en) 1924-07-11

Family

ID=8952673

Family Applications (1)

Application Number Title Priority Date Filing Date
FR574422D Expired FR574422A (en) 1923-12-13 1923-12-13 Improvements to cameras

Country Status (1)

Country Link
FR (1) FR574422A (en)

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