FR785084A - Twin - Google Patents

Twin

Info

Publication number
FR785084A
FR785084A FR785084DA FR785084A FR 785084 A FR785084 A FR 785084A FR 785084D A FR785084D A FR 785084DA FR 785084 A FR785084 A FR 785084A
Authority
FR
France
Prior art keywords
twin
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
Joseph Maurel
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 FR785084A publication Critical patent/FR785084A/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
    • G02B23/16—Housings; Caps; Mountings; Supports, e.g. with counterweight
    • 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
    • G02B23/06—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices involving prisms or mirrors having a focussing action, e.g. parabolic mirror

Landscapes

  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR785084D 1935-02-04 1935-02-04 Twin Expired FR785084A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR785084T 1935-02-04

Publications (1)

Publication Number Publication Date
FR785084A true FR785084A (en) 1935-08-01

Family

ID=9217635

Family Applications (1)

Application Number Title Priority Date Filing Date
FR785084D Expired FR785084A (en) 1935-02-04 1935-02-04 Twin

Country Status (1)

Country Link
FR (1) FR785084A (en)

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