FR1112893A - Optical device - Google Patents

Optical device

Info

Publication number
FR1112893A
FR1112893A FR1112893DA FR1112893A FR 1112893 A FR1112893 A FR 1112893A FR 1112893D A FR1112893D A FR 1112893DA FR 1112893 A FR1112893 A FR 1112893A
Authority
FR
France
Prior art keywords
optical device
optical
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)
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.)
Chevalier & Fils E
Original Assignee
Chevalier & Fils E
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 Chevalier & Fils E filed Critical Chevalier & Fils E
Application granted granted Critical
Publication of FR1112893A publication Critical patent/FR1112893A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices

Landscapes

  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR1112893D 1954-10-18 1954-10-18 Optical device Expired FR1112893A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1112893T 1954-10-18

Publications (1)

Publication Number Publication Date
FR1112893A true FR1112893A (en) 1956-03-20

Family

ID=9627482

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1112893D Expired FR1112893A (en) 1954-10-18 1954-10-18 Optical device

Country Status (1)

Country Link
FR (1) FR1112893A (en)

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