FR970703A - Compensation de la déviation quadrantale des compas magnétiques - Google Patents

Compensation de la déviation quadrantale des compas magnétiques

Info

Publication number
FR970703A
FR970703A FR970703DA FR970703A FR 970703 A FR970703 A FR 970703A FR 970703D A FR970703D A FR 970703DA FR 970703 A FR970703 A FR 970703A
Authority
FR
France
Prior art keywords
compensation
magnetic compasses
quadrantal deviation
quadrantal
deviation
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)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
R L CH BIANCHETTI ET CIE SA
Original Assignee
R L CH BIANCHETTI ET CIE SA
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 by R L CH BIANCHETTI ET CIE SA filed Critical R L CH BIANCHETTI ET CIE SA
Application granted granted Critical
Publication of FR970703A publication Critical patent/FR970703A/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
    • G01C17/38—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)
FR970703D 1948-08-26 1948-08-26 Compensation de la déviation quadrantale des compas magnétiques Expired FR970703A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR970703T 1948-08-26

Publications (1)

Publication Number Publication Date
FR970703A true FR970703A (fr) 1951-01-08

Family

ID=9507691

Family Applications (1)

Application Number Title Priority Date Filing Date
FR970703D Expired FR970703A (fr) 1948-08-26 1948-08-26 Compensation de la déviation quadrantale des compas magnétiques

Country Status (1)

Country Link
FR (1) FR970703A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2909846A (en) * 1953-05-30 1959-10-27 Bellon Francois Baptistin Quadrantal and semi-circular deviation correctors
USD427531S (en) 1999-08-12 2000-07-04 Cobbs Manufacturing Company Compass
USD427532S (en) 1999-08-12 2000-07-04 Cobbs Manufacturing Company Compass

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2909846A (en) * 1953-05-30 1959-10-27 Bellon Francois Baptistin Quadrantal and semi-circular deviation correctors
USD427531S (en) 1999-08-12 2000-07-04 Cobbs Manufacturing Company Compass
USD427532S (en) 1999-08-12 2000-07-04 Cobbs Manufacturing Company Compass

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