FR5460E - Device for underwater observations - Google Patents

Device for underwater observations

Info

Publication number
FR5460E
FR5460E FR5460DA FR5460E FR 5460 E FR5460 E FR 5460E FR 5460D A FR5460D A FR 5460DA FR 5460 E FR5460 E FR 5460E
Authority
FR
France
Prior art keywords
underwater observations
underwater
observations
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
Justus Cornelis Zubli
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 FR5460E publication Critical patent/FR5460E/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
    • G02B23/16—Housings; Caps; Mountings; Supports, e.g. with counterweight
    • G02B23/22—Underwater equipment

Landscapes

  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR5460D 1905-04-17 1905-11-16 Device for underwater observations Expired FR5460E (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR353474T 1905-04-17
FR5460T 1905-11-16

Publications (1)

Publication Number Publication Date
FR5460E true FR5460E (en) 1906-04-24

Family

ID=1348549

Family Applications (1)

Application Number Title Priority Date Filing Date
FR5460D Expired FR5460E (en) 1905-04-17 1905-11-16 Device for underwater observations

Country Status (1)

Country Link
FR (1) FR5460E (en)

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