FR875429A - Improvements to photographic enlargers - Google Patents

Improvements to photographic enlargers

Info

Publication number
FR875429A
FR875429A FR875429DA FR875429A FR 875429 A FR875429 A FR 875429A FR 875429D A FR875429D A FR 875429DA FR 875429 A FR875429 A FR 875429A
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
Roger-Pierre-Felix Lemasson
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 FR875429A publication Critical patent/FR875429A/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)
FR875429D 1941-09-12 1941-09-12 Improvements to photographic enlargers Expired FR875429A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR875429T 1941-09-12

Publications (1)

Publication Number Publication Date
FR875429A true FR875429A (en) 1942-09-21

Family

ID=9360151

Family Applications (1)

Application Number Title Priority Date Filing Date
FR875429D Expired FR875429A (en) 1941-09-12 1941-09-12 Improvements to photographic enlargers

Country Status (1)

Country Link
FR (1) FR875429A (en)

Similar Documents

Publication Publication Date Title
FR949230A (en) Improvements to photographic emulsions
FR878099A (en) Improvements to photographic films
FR860167A (en) Improvements to cameras
FR875429A (en) Improvements to photographic enlargers
FR870126A (en) Improvements to cameras
FR879245A (en) Improvements to cameras and similar devices
FR864776A (en) Improvements to photographic films
FR867473A (en) Improvements to photographic enlargers
FR840955A (en) Improvements to cameras
FR945135A (en) Photographic film
FR907557A (en) Improvements to cinematographic devices
FR1060367A (en) Improvements relating to photographic papers
FR874777A (en) Improvements to cameras
FR951243A (en) Improvements to photographic emulsions
FR867527A (en) Improvements to cameras
FR913145A (en) Improvements to photographic printers
FR846336A (en) Improvements to photographic enlargers
FR855744A (en) Improvements to photographic enlargers
FR863973A (en) Improvements to photographic enlargers
FR940904A (en) Improvements to photographic emulsions
FR897003A (en) Improvements to devices for obtaining photographic prints
FR945137A (en) Improvements to photographic shutters
FR868755A (en) Improvements to photographic shutters
FR878848A (en) Photographic film
FR878849A (en) Photographic film