FR868920A - Further training in optical observation instruments - Google Patents

Further training in optical observation instruments

Info

Publication number
FR868920A
FR868920A FR868920DA FR868920A FR 868920 A FR868920 A FR 868920A FR 868920D A FR868920D A FR 868920DA FR 868920 A FR868920 A FR 868920A
Authority
FR
France
Prior art keywords
further training
optical observation
observation instruments
instruments
training
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.)
Thales Optronics Ltd
Original Assignee
Thales Optronics Ltd
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 Thales Optronics Ltd filed Critical Thales Optronics Ltd
Application granted granted Critical
Publication of FR868920A publication Critical patent/FR868920A/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
    • G02B23/02—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices involving prisms or mirrors

Landscapes

  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR868920D 1939-05-31 1940-12-31 Further training in optical observation instruments Expired FR868920A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB868920X 1939-05-31

Publications (1)

Publication Number Publication Date
FR868920A true FR868920A (en) 1942-01-20

Family

ID=10610159

Family Applications (1)

Application Number Title Priority Date Filing Date
FR868920D Expired FR868920A (en) 1939-05-31 1940-12-31 Further training in optical observation instruments

Country Status (1)

Country Link
FR (1) FR868920A (en)

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