FR545961A - Apparatus for observing photographic views or drawings made on transparent plates - Google Patents

Apparatus for observing photographic views or drawings made on transparent plates

Info

Publication number
FR545961A
FR545961A FR545961DA FR545961A FR 545961 A FR545961 A FR 545961A FR 545961D A FR545961D A FR 545961DA FR 545961 A FR545961 A FR 545961A
Authority
FR
France
Prior art keywords
transparent plates
drawings made
photographic views
observing
observing 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
Veuve Alfred Sergent
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 FR545961A publication Critical patent/FR545961A/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
    • G03B23/00—Devices for changing pictures in viewing apparatus or projectors
    • G03B23/08—Devices for changing pictures in viewing apparatus or projectors in which pictures are attached to a movable carrier
    • G03B23/12—Devices for changing pictures in viewing apparatus or projectors in which pictures are attached to a movable carrier linear strip carrier

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR545961D 1922-01-16 1922-01-16 Apparatus for observing photographic views or drawings made on transparent plates Expired FR545961A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR545961T 1922-01-16

Publications (1)

Publication Number Publication Date
FR545961A true FR545961A (en) 1922-10-25

Family

ID=8933288

Family Applications (1)

Application Number Title Priority Date Filing Date
FR545961D Expired FR545961A (en) 1922-01-16 1922-01-16 Apparatus for observing photographic views or drawings made on transparent plates

Country Status (1)

Country Link
FR (1) FR545961A (en)

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