FR522418A - Improvements in the production of photographic films in natural colors - Google Patents

Improvements in the production of photographic films in natural colors

Info

Publication number
FR522418A
FR522418A FR522418A FR522418DA FR522418A FR 522418 A FR522418 A FR 522418A FR 522418 A FR522418 A FR 522418A FR 522418D A FR522418D A FR 522418DA FR 522418 A FR522418 A FR 522418A
Authority
FR
France
Prior art keywords
production
photographic films
natural colors
colors
natural
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
FR522418A
Other languages
French (fr)
Inventor
Richard Wellesley
Tomas Makinson Sanders
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 FR522418A publication Critical patent/FR522418A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03D—APPARATUS FOR PROCESSING EXPOSED PHOTOGRAPHIC MATERIALS; ACCESSORIES THEREFOR
    • G03D15/00—Apparatus for treating processed material

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR522418A 1919-08-18 1920-08-13 Improvements in the production of photographic films in natural colors Expired FR522418A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB522418X 1919-08-18

Publications (1)

Publication Number Publication Date
FR522418A true FR522418A (en) 1921-07-30

Family

ID=10463164

Family Applications (1)

Application Number Title Priority Date Filing Date
FR522418A Expired FR522418A (en) 1919-08-18 1920-08-13 Improvements in the production of photographic films in natural colors

Country Status (1)

Country Link
FR (1) FR522418A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2441409A (en) * 1938-11-08 1948-05-11 Green Albert Special flour and manufacture thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2441409A (en) * 1938-11-08 1948-05-11 Green Albert Special flour and manufacture thereof

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