FR881077A - Improvements in photographic enlargers - Google Patents

Improvements in photographic enlargers

Info

Publication number
FR881077A
FR881077A FR881077DA FR881077A FR 881077 A FR881077 A FR 881077A FR 881077D A FR881077D A FR 881077DA FR 881077 A FR881077 A FR 881077A
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
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 FR881077A publication Critical patent/FR881077A/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)
FR881077D 1942-04-07 1942-04-07 Improvements in photographic enlargers Expired FR881077A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR881077T 1942-04-07

Publications (1)

Publication Number Publication Date
FR881077A true FR881077A (en) 1943-04-14

Family

ID=9369255

Family Applications (1)

Application Number Title Priority Date Filing Date
FR881077D Expired FR881077A (en) 1942-04-07 1942-04-07 Improvements in photographic enlargers

Country Status (1)

Country Link
FR (1) FR881077A (en)

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