FR909155A - Improvements to photographic enlargers - Google Patents

Improvements to photographic enlargers

Info

Publication number
FR909155A
FR909155A FR909155DA FR909155A FR 909155 A FR909155 A FR 909155A FR 909155D A FR909155D A FR 909155DA FR 909155 A FR909155 A FR 909155A
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
Guy-Prosper-Isidore Bertrand
Louis-Robert-Hippoly Jubault
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 FR909155A publication Critical patent/FR909155A/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)
FR909155D 1944-09-28 1944-09-28 Improvements to photographic enlargers Expired FR909155A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR909155T 1944-09-28

Publications (1)

Publication Number Publication Date
FR909155A true FR909155A (en) 1946-05-01

Family

ID=9407711

Family Applications (1)

Application Number Title Priority Date Filing Date
FR909155D Expired FR909155A (en) 1944-09-28 1944-09-28 Improvements to photographic enlargers

Country Status (1)

Country Link
FR (1) FR909155A (en)

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