FR368594A - Optical instruments - Google Patents

Optical instruments

Info

Publication number
FR368594A
FR368594A FR368594DA FR368594A FR 368594 A FR368594 A FR 368594A FR 368594D A FR368594D A FR 368594DA FR 368594 A FR368594 A FR 368594A
Authority
FR
France
Prior art keywords
optical instruments
instruments
optical
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
Simon Lake
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 FR368594A publication Critical patent/FR368594A/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
    • G02B23/02—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices involving prisms or mirrors
    • G02B23/08—Periscopes

Landscapes

  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR368594D 1906-08-02 1906-08-02 Optical instruments Expired FR368594A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR368594T 1906-08-02

Publications (1)

Publication Number Publication Date
FR368594A true FR368594A (en) 1906-12-04

Family

ID=1415653

Family Applications (1)

Application Number Title Priority Date Filing Date
FR368594D Expired FR368594A (en) 1906-08-02 1906-08-02 Optical instruments

Country Status (1)

Country Link
FR (1) FR368594A (en)

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