FR478382A - Périscope - Google Patents

Périscope

Info

Publication number
FR478382A
FR478382A FR478382DA FR478382A FR 478382 A FR478382 A FR 478382A FR 478382D A FR478382D A FR 478382DA FR 478382 A FR478382 A FR 478382A
Authority
FR
France
Prior art keywords
periscope
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
Frederick Empson Moody
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 FR478382A publication Critical patent/FR478382A/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
    • G02B23/02—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)
FR478382D 1915-03-19 1915-03-19 Périscope Expired FR478382A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR478382T 1915-03-19

Publications (1)

Publication Number Publication Date
FR478382A true FR478382A (fr) 1915-12-08

Family

ID=1515914

Family Applications (1)

Application Number Title Priority Date Filing Date
FR478382D Expired FR478382A (fr) 1915-03-19 1915-03-19 Périscope

Country Status (1)

Country Link
FR (1) FR478382A (fr)

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