FR1054674A - Boussole perfectionnée - Google Patents

Boussole perfectionnée

Info

Publication number
FR1054674A
FR1054674A FR1054674DA FR1054674A FR 1054674 A FR1054674 A FR 1054674A FR 1054674D A FR1054674D A FR 1054674DA FR 1054674 A FR1054674 A FR 1054674A
Authority
FR
France
Prior art keywords
compass
advanced
advanced compass
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
Robert-Antoine-Emile Pretot
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 FR1054674A publication Critical patent/FR1054674A/fr
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
    • G01C17/02—Magnetic compasses
    • G01C17/04—Magnetic compasses with north-seeking magnetic elements, e.g. needles

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR1054674D 1952-04-18 1952-04-18 Boussole perfectionnée Expired FR1054674A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1054674T 1952-04-18

Publications (1)

Publication Number Publication Date
FR1054674A true FR1054674A (fr) 1954-02-12

Family

ID=9596534

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1054674D Expired FR1054674A (fr) 1952-04-18 1952-04-18 Boussole perfectionnée

Country Status (1)

Country Link
FR (1) FR1054674A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3497963A (en) * 1967-05-15 1970-03-03 Walter G Von Meyer Compass
US4372052A (en) * 1980-11-07 1983-02-08 Wakim Edmond K Device for indicating direction to a predetermined locale

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3497963A (en) * 1967-05-15 1970-03-03 Walter G Von Meyer Compass
US4372052A (en) * 1980-11-07 1983-02-08 Wakim Edmond K Device for indicating direction to a predetermined locale

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