FR749267A - Improvements to compasses for pilots or others - Google Patents

Improvements to compasses for pilots or others

Info

Publication number
FR749267A
FR749267A FR749267DA FR749267A FR 749267 A FR749267 A FR 749267A FR 749267D A FR749267D A FR 749267DA FR 749267 A FR749267 A FR 749267A
Authority
FR
France
Prior art keywords
compasses
pilots
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
Eugene Vion
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 FR749267A publication Critical patent/FR749267A/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)
FR749267D 1932-04-12 1932-04-12 Improvements to compasses for pilots or others Expired FR749267A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR749267T 1932-04-12

Publications (1)

Publication Number Publication Date
FR749267A true FR749267A (en) 1933-07-21

Family

ID=9148956

Family Applications (1)

Application Number Title Priority Date Filing Date
FR749267D Expired FR749267A (en) 1932-04-12 1932-04-12 Improvements to compasses for pilots or others

Country Status (1)

Country Link
FR (1) FR749267A (en)

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