FR1229242A - Perfectionnements aux visionneuses photographiques - Google Patents

Perfectionnements aux visionneuses photographiques

Info

Publication number
FR1229242A
FR1229242A FR39587A FR69039587A FR1229242A FR 1229242 A FR1229242 A FR 1229242A FR 39587 A FR39587 A FR 39587A FR 69039587 A FR69039587 A FR 69039587A FR 1229242 A FR1229242 A FR 1229242A
Authority
FR
France
Prior art keywords
viewers
photographic
photographic viewers
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
FR39587A
Other languages
English (en)
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.)
TECH DES IND PLASTIQUES SOC
Original Assignee
TECH DES IND PLASTIQUES SOC
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 TECH DES IND PLASTIQUES SOC filed Critical TECH DES IND PLASTIQUES SOC
Priority to FR39587A priority Critical patent/FR1229242A/fr
Application granted granted Critical
Publication of FR1229242A publication Critical patent/FR1229242A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/02—Viewing or reading apparatus
    • G02B27/022—Viewing apparatus
    • G02B27/024—Viewing apparatus comprising a light source, e.g. for viewing photographic slides, X-ray transparancies
    • G02B27/025—Viewing apparatus comprising a light source, e.g. for viewing photographic slides, X-ray transparancies and magnifying means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR39587A 1959-07-02 1959-07-02 Perfectionnements aux visionneuses photographiques Expired FR1229242A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR39587A FR1229242A (fr) 1959-07-02 1959-07-02 Perfectionnements aux visionneuses photographiques

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR39587A FR1229242A (fr) 1959-07-02 1959-07-02 Perfectionnements aux visionneuses photographiques

Publications (1)

Publication Number Publication Date
FR1229242A true FR1229242A (fr) 1960-09-05

Family

ID=8593295

Family Applications (1)

Application Number Title Priority Date Filing Date
FR39587A Expired FR1229242A (fr) 1959-07-02 1959-07-02 Perfectionnements aux visionneuses photographiques

Country Status (1)

Country Link
FR (1) FR1229242A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4029408A (en) * 1975-09-29 1977-06-14 Overby David R Map reading apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4029408A (en) * 1975-09-29 1977-06-14 Overby David R Map reading apparatus

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