FR865979A - Improvements in photographic enlargers - Google Patents

Improvements in photographic enlargers

Info

Publication number
FR865979A
FR865979A FR865979DA FR865979A FR 865979 A FR865979 A FR 865979A FR 865979D A FR865979D A FR 865979DA FR 865979 A FR865979 A FR 865979A
Authority
FR
France
Prior art keywords
photographic enlargers
enlargers
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
French (fr)
Inventor
Alexandre Ilyenko
Marcel Wagenr
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 FR865979A publication Critical patent/FR865979A/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
    • G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
    • G03B27/34—Means for automatic focusing therefor
    • G03B27/36—Means for automatic focusing therefor by mechanical connections, e.g. by cam, by linkage

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR865979D 1939-06-02 1940-06-01 Improvements in photographic enlargers Expired FR865979A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB865979X 1939-06-02

Publications (1)

Publication Number Publication Date
FR865979A true FR865979A (en) 1941-06-11

Family

ID=10609999

Family Applications (1)

Application Number Title Priority Date Filing Date
FR865979D Expired FR865979A (en) 1939-06-02 1940-06-01 Improvements in photographic enlargers

Country Status (1)

Country Link
FR (1) FR865979A (en)

Similar Documents

Publication Publication Date Title
FR949227A (en) advanced photographic emulsions
FR826929A (en) Laminable photographic film
FR847049A (en) Photographic film
FR827154A (en) Improvements in photography
FR878918A (en) Improvements in color photography
FR844866A (en) Photographic developers
FR864298A (en) Photographic shutter
FR841631A (en) photographic emulsions
FR865979A (en) Improvements in photographic enlargers
FR867410A (en) photographic emulsions
FR839173A (en) Photographic enlargement and reproduction apparatus
FR881077A (en) Improvements in photographic enlargers
FR945135A (en) Photographic film
FR839171A (en) Photographic enlargement and reproduction apparatus
FR839172A (en) Photographic enlargement and reproduction apparatus
FR868808A (en) Film conveyor mechanism and counter for cameras
FR51060E (en) Fast photographic proofer
FR849283A (en) Device ensuring the flatness of the film in cameras
FR863391A (en) Photographic shutter
AU110595B2 (en) Improvements in sensitized photographic emulsions
AU110697B2 (en) Improvements in sensitized photographic emulsions
FR859358A (en) Photo pouch
FR949626A (en) Improvements in color photography
AU210839A (en) Improvements in sensitized photographic emulsions
FR904254A (en) Photographic telephoto lens