FR459353A - Improvements in periscopes - Google Patents

Improvements in periscopes

Info

Publication number
FR459353A
FR459353A FR459353DA FR459353A FR 459353 A FR459353 A FR 459353A FR 459353D A FR459353D A FR 459353DA FR 459353 A FR459353 A FR 459353A
Authority
FR
France
Prior art keywords
periscopes
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
Officine Galileo
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.)
GALILEO OFF
Original Assignee
GALILEO OFF
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 GALILEO OFF filed Critical GALILEO OFF
Application granted granted Critical
Publication of FR459353A publication Critical patent/FR459353A/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)
FR459353D 1912-06-27 1913-06-17 Improvements in periscopes Expired FR459353A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT459353X 1912-06-27

Publications (1)

Publication Number Publication Date
FR459353A true FR459353A (en) 1913-11-04

Family

ID=1498851

Family Applications (1)

Application Number Title Priority Date Filing Date
FR459353D Expired FR459353A (en) 1912-06-27 1913-06-17 Improvements in periscopes

Country Status (1)

Country Link
FR (1) FR459353A (en)

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