FR778348A - Niveau pour lunettes - Google Patents

Niveau pour lunettes

Info

Publication number
FR778348A
FR778348A FR778348DA FR778348A FR 778348 A FR778348 A FR 778348A FR 778348D A FR778348D A FR 778348DA FR 778348 A FR778348 A FR 778348A
Authority
FR
France
Prior art keywords
glasses
level
glasses level
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
English (en)
Inventor
Barot
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 FR778348A publication Critical patent/FR778348A/fr
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
    • G02B23/10—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices involving prisms or mirrors reflecting into the field of view additional indications, e.g. from collimator

Landscapes

  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR778348D 1933-12-05 1933-12-05 Niveau pour lunettes Expired FR778348A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR778348T 1933-12-05

Publications (1)

Publication Number Publication Date
FR778348A true FR778348A (fr) 1935-03-14

Family

ID=9202138

Family Applications (1)

Application Number Title Priority Date Filing Date
FR778348D Expired FR778348A (fr) 1933-12-05 1933-12-05 Niveau pour lunettes

Country Status (1)

Country Link
FR (1) FR778348A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4082466A (en) * 1976-06-14 1978-04-04 Realist, Inc. Optical sighting instrument

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4082466A (en) * 1976-06-14 1978-04-04 Realist, Inc. Optical sighting instrument

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