FR56804E - Microfilm reader - Google Patents

Microfilm reader

Info

Publication number
FR56804E
FR56804E FR56804DA FR56804E FR 56804 E FR56804 E FR 56804E FR 56804D A FR56804D A FR 56804DA FR 56804 E FR56804 E FR 56804E
Authority
FR
France
Prior art keywords
microfilm reader
microfilm
reader
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
Henri-Edouard Martin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
COMMISSION INTERNATIONALE DES
Original Assignee
COMMISSION INTERNATIONALE DES
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 by COMMISSION INTERNATIONALE DES filed Critical COMMISSION INTERNATIONALE DES
Application granted granted Critical
Publication of FR56804E publication Critical patent/FR56804E/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
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/10—Projectors with built-in or built-on screen
    • G03B21/11—Projectors with built-in or built-on screen for microfilm reading

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR56804D 1947-05-24 1947-05-24 Microfilm reader Expired FR56804E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR56804T 1947-05-24

Publications (1)

Publication Number Publication Date
FR56804E true FR56804E (en) 1952-10-07

Family

ID=8690950

Family Applications (1)

Application Number Title Priority Date Filing Date
FR56804D Expired FR56804E (en) 1947-05-24 1947-05-24 Microfilm reader

Country Status (1)

Country Link
FR (1) FR56804E (en)

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