FR409049A - Lunette à objectif tournant - Google Patents

Lunette à objectif tournant

Info

Publication number
FR409049A
FR409049A FR409049DA FR409049A FR 409049 A FR409049 A FR 409049A FR 409049D A FR409049D A FR 409049DA FR 409049 A FR409049 A FR 409049A
Authority
FR
France
Prior art keywords
rotating lens
lens
rotating
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)
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.)
Schneider Electric SE
Original Assignee
Schneider et Cie
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 Schneider et Cie filed Critical Schneider et Cie
Application granted granted Critical
Publication of FR409049A publication Critical patent/FR409049A/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
    • G02B23/14—Viewfinders

Landscapes

  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR409049D 1909-02-08 1909-02-08 Lunette à objectif tournant Expired FR409049A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR409049T 1909-02-08

Publications (1)

Publication Number Publication Date
FR409049A true FR409049A (fr) 1910-04-11

Family

ID=1453223

Family Applications (1)

Application Number Title Priority Date Filing Date
FR409049D Expired FR409049A (fr) 1909-02-08 1909-02-08 Lunette à objectif tournant

Country Status (1)

Country Link
FR (1) FR409049A (fr)

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