FR683537A - Improvements to enlarging devices for photography - Google Patents

Improvements to enlarging devices for photography

Info

Publication number
FR683537A
FR683537A FR683537DA FR683537A FR 683537 A FR683537 A FR 683537A FR 683537D A FR683537D A FR 683537DA FR 683537 A FR683537 A FR 683537A
Authority
FR
France
Prior art keywords
photography
enlarging devices
enlarging
devices
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
Leon Crayssac
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 FR683537A publication Critical patent/FR683537A/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
    • G03B27/52—Details
    • G03B27/54—Lamp housings; Illuminating means
    • G03B27/545—Lamp housings; Illuminating means for enlargers

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR683537D 1929-10-19 1929-10-19 Improvements to enlarging devices for photography Expired FR683537A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR683537T 1929-10-19

Publications (1)

Publication Number Publication Date
FR683537A true FR683537A (en) 1930-06-13

Family

ID=9023932

Family Applications (1)

Application Number Title Priority Date Filing Date
FR683537D Expired FR683537A (en) 1929-10-19 1929-10-19 Improvements to enlarging devices for photography

Country Status (1)

Country Link
FR (1) FR683537A (en)

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