FR1069353A - Apparatus for developing heliographic paper by ammonia gas - Google Patents

Apparatus for developing heliographic paper by ammonia gas

Info

Publication number
FR1069353A
FR1069353A FR1069353DA FR1069353A FR 1069353 A FR1069353 A FR 1069353A FR 1069353D A FR1069353D A FR 1069353DA FR 1069353 A FR1069353 A FR 1069353A
Authority
FR
France
Prior art keywords
developing
ammonia gas
heliographic paper
heliographic
paper
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
Martial Pichout
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 FR1069353A publication Critical patent/FR1069353A/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
    • G03D7/00—Gas processing apparatus

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR1069353D 1952-12-31 1952-12-31 Apparatus for developing heliographic paper by ammonia gas Expired FR1069353A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1069353T 1952-12-31

Publications (1)

Publication Number Publication Date
FR1069353A true FR1069353A (en) 1954-07-07

Family

ID=9604210

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1069353D Expired FR1069353A (en) 1952-12-31 1952-12-31 Apparatus for developing heliographic paper by ammonia gas

Country Status (1)

Country Link
FR (1) FR1069353A (en)

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