FR434849A - Improvements in photography - Google Patents

Improvements in photography

Info

Publication number
FR434849A
FR434849A FR434849DA FR434849A FR 434849 A FR434849 A FR 434849A FR 434849D A FR434849D A FR 434849DA FR 434849 A FR434849 A FR 434849A
Authority
FR
France
Prior art keywords
photography
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
Rafael Papalia
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 FR434849A publication Critical patent/FR434849A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
    • G03C5/02—Sensitometric processes, e.g. determining sensitivity, colour sensitivity, gradation, graininess, density; Making sensitometric wedges

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR434849D 1911-10-03 1911-10-03 Improvements in photography Expired FR434849A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR434849T 1911-10-03

Publications (1)

Publication Number Publication Date
FR434849A true FR434849A (en) 1912-02-14

Family

ID=1476702

Family Applications (1)

Application Number Title Priority Date Filing Date
FR434849D Expired FR434849A (en) 1911-10-03 1911-10-03 Improvements in photography

Country Status (1)

Country Link
FR (1) FR434849A (en)

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