FR856482A - Navigation instrument - Google Patents

Navigation instrument

Info

Publication number
FR856482A
FR856482A FR856482DA FR856482A FR 856482 A FR856482 A FR 856482A FR 856482D A FR856482D A FR 856482DA FR 856482 A FR856482 A FR 856482A
Authority
FR
France
Prior art keywords
navigation instrument
navigation
instrument
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)
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.)
Compteurs Schlumberger SA
Original Assignee
Compteurs Schlumberger SA
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 Compteurs Schlumberger SA filed Critical Compteurs Schlumberger SA
Application granted granted Critical
Publication of FR856482A publication Critical patent/FR856482A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C17/00—Compasses; Devices for ascertaining true or magnetic north for navigation or surveying purposes

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR856482D 1939-02-28 1939-02-28 Navigation instrument Expired FR856482A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR856482T 1939-02-28

Publications (1)

Publication Number Publication Date
FR856482A true FR856482A (en) 1940-06-14

Family

ID=9328893

Family Applications (1)

Application Number Title Priority Date Filing Date
FR856482D Expired FR856482A (en) 1939-02-28 1939-02-28 Navigation instrument

Country Status (1)

Country Link
FR (1) FR856482A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3289475A (en) * 1963-08-14 1966-12-06 Ralph W Kenyon Blind flight without gyros, methods and instruments

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3289475A (en) * 1963-08-14 1966-12-06 Ralph W Kenyon Blind flight without gyros, methods and instruments

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