FR1141407A - Perfectionnements aux appareils optiques d'essais - Google Patents

Perfectionnements aux appareils optiques d'essais

Info

Publication number
FR1141407A
FR1141407A FR1141407DA FR1141407A FR 1141407 A FR1141407 A FR 1141407A FR 1141407D A FR1141407D A FR 1141407DA FR 1141407 A FR1141407 A FR 1141407A
Authority
FR
France
Prior art keywords
testing devices
optical testing
optical
devices
testing
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.)
Kapella Ltd
Original Assignee
Kapella Ltd
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 Kapella Ltd filed Critical Kapella Ltd
Application granted granted Critical
Publication of FR1141407A publication Critical patent/FR1141407A/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
    • G02B23/10—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices involving prisms or mirrors reflecting into the field of view additional indications, e.g. from collimator

Landscapes

  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR1141407D 1954-06-03 1955-06-03 Perfectionnements aux appareils optiques d'essais Expired FR1141407A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1141407X 1954-06-03

Publications (1)

Publication Number Publication Date
FR1141407A true FR1141407A (fr) 1957-09-02

Family

ID=10877215

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1141407D Expired FR1141407A (fr) 1954-06-03 1955-06-03 Perfectionnements aux appareils optiques d'essais

Country Status (1)

Country Link
FR (1) FR1141407A (fr)

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