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FR866454A - Agrandisseur photographique - Google Patents

Agrandisseur photographique

Info

Publication number
FR866454A
FR866454A FR866454DA FR866454A FR 866454 A FR866454 A FR 866454A FR 866454D A FR866454D A FR 866454DA FR 866454 A FR866454 A FR 866454A
Authority
FR
France
Prior art keywords
photographic enlarger
enlarger
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
English (en)
Inventor
Edward Bradley Dewey
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 FR866454A publication Critical patent/FR866454A/fr
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B27/00Photographic printing apparatus
    • G03B27/32Projection printing apparatus, e.g. enlarger, copying camera
    • G03B27/34Means for automatic focusing therefor
    • G03B27/36Means for automatic focusing therefor by mechanical connections, e.g. by cam, by linkage

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR866454D 1939-05-23 1940-05-16 Agrandisseur photographique Expired FR866454A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US866454XA 1939-05-23 1939-05-23

Publications (1)

Publication Number Publication Date
FR866454A true FR866454A (fr) 1941-08-14

Family

ID=22199929

Family Applications (1)

Application Number Title Priority Date Filing Date
FR866454D Expired FR866454A (fr) 1939-05-23 1940-05-16 Agrandisseur photographique

Country Status (1)

Country Link
FR (1) FR866454A (fr)

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