FR564946A - Device for the compensation of the deviations of the compass roses - Google Patents

Device for the compensation of the deviations of the compass roses

Info

Publication number
FR564946A
FR564946A FR564946DA FR564946A FR 564946 A FR564946 A FR 564946A FR 564946D A FR564946D A FR 564946DA FR 564946 A FR564946 A FR 564946A
Authority
FR
France
Prior art keywords
deviations
compensation
compass roses
roses
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
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 FR564946A publication Critical patent/FR564946A/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
    • G01C17/38—Testing, calibrating, or compensating of compasses

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR564946D 1923-04-10 1923-04-10 Device for the compensation of the deviations of the compass roses Expired FR564946A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR564946T 1923-04-10

Publications (1)

Publication Number Publication Date
FR564946A true FR564946A (en) 1924-01-15

Family

ID=8946118

Family Applications (1)

Application Number Title Priority Date Filing Date
FR564946D Expired FR564946A (en) 1923-04-10 1923-04-10 Device for the compensation of the deviations of the compass roses

Country Status (1)

Country Link
FR (1) FR564946A (en)

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