FR924673A - Improvements to photographic enlargers - Google Patents

Improvements to photographic enlargers

Info

Publication number
FR924673A
FR924673A FR924673DA FR924673A FR 924673 A FR924673 A FR 924673A FR 924673D A FR924673D A FR 924673DA FR 924673 A FR924673 A FR 924673A
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
Pierre-Marcellin Priou
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 FR924673A publication Critical patent/FR924673A/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)
FR924673D 1946-03-29 1946-03-29 Improvements to photographic enlargers Expired FR924673A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR924673T 1946-03-29

Publications (1)

Publication Number Publication Date
FR924673A true FR924673A (en) 1947-08-12

Family

ID=9439513

Family Applications (1)

Application Number Title Priority Date Filing Date
FR924673D Expired FR924673A (en) 1946-03-29 1946-03-29 Improvements to photographic enlargers

Country Status (1)

Country Link
FR (1) FR924673A (en)

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