FR53747E - Device for the classification and preservation of tapes of photomicrographic reproductions - Google Patents

Device for the classification and preservation of tapes of photomicrographic reproductions

Info

Publication number
FR53747E
FR53747E FR53747DA FR53747E FR 53747 E FR53747 E FR 53747E FR 53747D A FR53747D A FR 53747DA FR 53747 E FR53747 E FR 53747E
Authority
FR
France
Prior art keywords
photomicrographic
reproductions
tapes
preservation
classification
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
Louis Petit
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 FR53747E publication Critical patent/FR53747E/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
    • G03B21/54—Accessories
    • G03B21/64—Means for mounting individual pictures to be projected, e.g. frame for transparency

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR53747D 1944-08-11 1944-08-11 Device for the classification and preservation of tapes of photomicrographic reproductions Expired FR53747E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR53747T 1944-08-11

Publications (1)

Publication Number Publication Date
FR53747E true FR53747E (en) 1946-07-29

Family

ID=8688234

Family Applications (1)

Application Number Title Priority Date Filing Date
FR53747D Expired FR53747E (en) 1944-08-11 1944-08-11 Device for the classification and preservation of tapes of photomicrographic reproductions

Country Status (1)

Country Link
FR (1) FR53747E (en)

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