FR61643E - Photographic and heliographic printing machine - Google Patents

Photographic and heliographic printing machine

Info

Publication number
FR61643E
FR61643E FR61643DA FR61643E FR 61643 E FR61643 E FR 61643E FR 61643D A FR61643D A FR 61643DA FR 61643 E FR61643 E FR 61643E
Authority
FR
France
Prior art keywords
photographic
printing machine
heliographic printing
heliographic
machine
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
Charles-Auguste Le Moigne
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 FR61643E publication Critical patent/FR61643E/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
    • G03B27/00—Photographic printing apparatus
    • G03B27/02—Exposure apparatus for contact printing
    • G03B27/14—Details
    • G03B27/18—Maintaining or producing contact pressure between original and light-sensitive material
    • G03B27/22—Maintaining or producing contact pressure between original and light-sensitive material by stretching over a curved surface
FR61643D 1951-04-25 1951-04-25 Photographic and heliographic printing machine Expired FR61643E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR61643T 1951-04-25

Publications (1)

Publication Number Publication Date
FR61643E true FR61643E (en) 1955-05-16

Family

ID=8695185

Family Applications (1)

Application Number Title Priority Date Filing Date
FR61643D Expired FR61643E (en) 1951-04-25 1951-04-25 Photographic and heliographic printing machine

Country Status (1)

Country Link
FR (1) FR61643E (en)

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