FR463245A - Viseur - Google Patents

Viseur

Info

Publication number
FR463245A
FR463245A FR463245DA FR463245A FR 463245 A FR463245 A FR 463245A FR 463245D A FR463245D A FR 463245DA FR 463245 A FR463245 A FR 463245A
Authority
FR
France
Prior art keywords
viewfinder
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
Jules Richard
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 FR463245A publication Critical patent/FR463245A/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)
FR463245D 1912-12-11 1912-12-11 Viseur Expired FR463245A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR463245T 1912-12-11

Publications (1)

Publication Number Publication Date
FR463245A true FR463245A (fr) 1914-02-17

Family

ID=1502337

Family Applications (1)

Application Number Title Priority Date Filing Date
FR463245D Expired FR463245A (fr) 1912-12-11 1912-12-11 Viseur

Country Status (1)

Country Link
FR (1) FR463245A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD286644S (en) 1984-04-05 1986-11-11 Burr James D Motor controlled focussing attachment for telescopes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD286644S (en) 1984-04-05 1986-11-11 Burr James D Motor controlled focussing attachment for telescopes

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