FR653549A - Périscope - Google Patents

Périscope

Info

Publication number
FR653549A
FR653549A FR653549DA FR653549A FR 653549 A FR653549 A FR 653549A FR 653549D A FR653549D A FR 653549DA FR 653549 A FR653549 A FR 653549A
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
Charles-Victor Nicole
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 filed Critical
Application granted granted Critical
Publication of FR653549A publication Critical patent/FR653549A/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

Landscapes

  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR653549D 1928-04-28 1928-04-28 Périscope Expired FR653549A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR653549T 1928-04-28

Publications (1)

Publication Number Publication Date
FR653549A true FR653549A (fr) 1929-03-22

Family

ID=9005930

Family Applications (1)

Application Number Title Priority Date Filing Date
FR653549D Expired FR653549A (fr) 1928-04-28 1928-04-28 Périscope

Country Status (1)

Country Link
FR (1) FR653549A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3014408A (en) * 1958-06-04 1961-12-26 Jr Harold F Miller Collapsible carton periscope
US3357777A (en) * 1963-07-30 1967-12-12 Kallio Laurie Portable periscope for viewing public events

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3014408A (en) * 1958-06-04 1961-12-26 Jr Harold F Miller Collapsible carton periscope
US3357777A (en) * 1963-07-30 1967-12-12 Kallio Laurie Portable periscope for viewing public events

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