FR337340A - Twin - Google Patents

Twin

Info

Publication number
FR337340A
FR337340A FR337340DA FR337340A FR 337340 A FR337340 A FR 337340A FR 337340D A FR337340D A FR 337340DA FR 337340 A FR337340 A FR 337340A
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
Emile Schaer
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR337340A publication Critical patent/FR337340A/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)
FR337340D 1902-11-17 1903-11-09 Twin Expired FR337340A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH337340X 1902-11-17

Publications (1)

Publication Number Publication Date
FR337340A true FR337340A (en) 1904-04-04

Family

ID=1386696

Family Applications (1)

Application Number Title Priority Date Filing Date
FR337340D Expired FR337340A (en) 1902-11-17 1903-11-09 Twin

Country Status (1)

Country Link
FR (1) FR337340A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2424282A (en) * 1943-11-03 1947-07-22 Bendix Aviat Corp Body and modified first porro type erecting system for telescopic instruments

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2424282A (en) * 1943-11-03 1947-07-22 Bendix Aviat Corp Body and modified first porro type erecting system for telescopic instruments

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