FR676449A - Compass - Google Patents

Compass

Info

Publication number
FR676449A
FR676449A FR676449DA FR676449A FR 676449 A FR676449 A FR 676449A FR 676449D A FR676449D A FR 676449DA FR 676449 A FR676449 A FR 676449A
Authority
FR
France
Prior art keywords
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
French (fr)
Inventor
Axel Rejnhold Nielsen
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 FR676449A publication Critical patent/FR676449A/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)
FR676449D 1929-06-10 1929-06-10 Compass Expired FR676449A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR676449T 1929-06-10

Publications (1)

Publication Number Publication Date
FR676449A true FR676449A (en) 1930-02-22

Family

ID=9019898

Family Applications (1)

Application Number Title Priority Date Filing Date
FR676449D Expired FR676449A (en) 1929-06-10 1929-06-10 Compass

Country Status (1)

Country Link
FR (1) FR676449A (en)

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