FR820412A - Navigation compass - Google Patents

Navigation compass

Info

Publication number
FR820412A
FR820412A FR820412DA FR820412A FR 820412 A FR820412 A FR 820412A FR 820412D A FR820412D A FR 820412DA FR 820412 A FR820412 A FR 820412A
Authority
FR
France
Prior art keywords
navigation compass
compass
navigation
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
Lenier Henri Roger
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 FR820412A publication Critical patent/FR820412A/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)
FR820412D 1936-07-17 1936-07-17 Navigation compass Expired FR820412A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR820412T 1936-07-17

Publications (1)

Publication Number Publication Date
FR820412A true FR820412A (en) 1937-11-10

Family

ID=9271881

Family Applications (1)

Application Number Title Priority Date Filing Date
FR820412D Expired FR820412A (en) 1936-07-17 1936-07-17 Navigation compass

Country Status (1)

Country Link
FR (1) FR820412A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2526921A (en) * 1944-07-08 1950-10-24 Gasaccumulator Svenska Ab Compass scale of aircraft compasses and mariners' compasses

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2526921A (en) * 1944-07-08 1950-10-24 Gasaccumulator Svenska Ab Compass scale of aircraft compasses and mariners' compasses

Similar Documents

Publication Publication Date Title
FR793301A (en) Gyro-magnetic repeater compass
FR818850A (en) Gyromagnetic compass
FR736709A (en) Improvements to gyroscopic compasses
FR759485A (en) Compass Theodolite
FR831503A (en) Compass refinements
FR812445A (en) Improvements to gyroscopic compasses
FR820412A (en) Navigation compass
FR810554A (en) Advanced navigation compass
FR808526A (en) Improvements to gyroscopic compasses
FR817732A (en) Gyroscopic navigation instrument
FR779494A (en) Tracking compass
FR759621A (en) Magnetic compass
FR810153A (en) Navigation instrument
FR817966A (en) Electronic compass
FR829935A (en) Gyroscopic navigation instrument
FR810845A (en) Gyroscopic navigation instrument
FR823215A (en) Gyroscopic navigation instrument
FR791611A (en) Improvements made to gyroscopic compasses
FR837639A (en) Gyromagnetic compass
FR840639A (en) Compass
FR802314A (en) Solar compass
FR819858A (en) Improvements to gyroscopes
FR817569A (en) Navigation instrument
FR821114A (en) Advanced gyroscopic instrument
FR752414A (en) Aviation compass