FR1023635A - Perfectionnements apportés aux télescopes panoramiques - Google Patents

Perfectionnements apportés aux télescopes panoramiques

Info

Publication number
FR1023635A
FR1023635A FR1023635DA FR1023635A FR 1023635 A FR1023635 A FR 1023635A FR 1023635D A FR1023635D A FR 1023635DA FR 1023635 A FR1023635 A FR 1023635A
Authority
FR
France
Prior art keywords
telescopes
panoramic
panoramic telescopes
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)
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.)
Optische Industrie de Oude Delft NV
Original Assignee
Optische Industrie de Oude Delft NV
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 Optische Industrie de Oude Delft NV filed Critical Optische Industrie de Oude Delft NV
Application granted granted Critical
Publication of FR1023635A publication Critical patent/FR1023635A/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)
FR1023635D 1949-08-24 1950-08-21 Perfectionnements apportés aux télescopes panoramiques Expired FR1023635A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL1023635X 1949-08-24

Publications (1)

Publication Number Publication Date
FR1023635A true FR1023635A (fr) 1953-03-20

Family

ID=19867196

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1023635D Expired FR1023635A (fr) 1949-08-24 1950-08-21 Perfectionnements apportés aux télescopes panoramiques

Country Status (1)

Country Link
FR (1) FR1023635A (fr)

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