FR338499A - Perfectionnements aux couches sensibles photographiques - Google Patents

Perfectionnements aux couches sensibles photographiques

Info

Publication number
FR338499A
FR338499A FR338499DA FR338499A FR 338499 A FR338499 A FR 338499A FR 338499D A FR338499D A FR 338499DA FR 338499 A FR338499 A FR 338499A
Authority
FR
France
Prior art keywords
sensitive photographic
photographic layers
layers
sensitive
photographic
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
Edwin Forrest Beckwith
Thomas Albert Carten
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 FR338499A publication Critical patent/FR338499A/fr
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)
FR338499D 1903-12-15 1903-12-15 Perfectionnements aux couches sensibles photographiques Expired FR338499A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR338499T 1903-12-15

Publications (1)

Publication Number Publication Date
FR338499A true FR338499A (fr) 1904-05-24

Family

ID=1387776

Family Applications (1)

Application Number Title Priority Date Filing Date
FR338499D Expired FR338499A (fr) 1903-12-15 1903-12-15 Perfectionnements aux couches sensibles photographiques

Country Status (1)

Country Link
FR (1) FR338499A (fr)

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