FR892685A - Improvements made to magnetic compasses - Google Patents

Improvements made to magnetic compasses

Info

Publication number
FR892685A
FR892685A FR892685DA FR892685A FR 892685 A FR892685 A FR 892685A FR 892685D A FR892685D A FR 892685DA FR 892685 A FR892685 A FR 892685A
Authority
FR
France
Prior art keywords
improvements made
magnetic compasses
compasses
magnetic
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)
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.)
Charles Bianchetti & Cie
Original Assignee
Charles Bianchetti & Cie
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 Charles Bianchetti & Cie filed Critical Charles Bianchetti & Cie
Application granted granted Critical
Publication of FR892685A publication Critical patent/FR892685A/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)
FR892685D 1943-01-26 1943-01-26 Improvements made to magnetic compasses Expired FR892685A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR892685T 1943-01-26

Publications (1)

Publication Number Publication Date
FR892685A true FR892685A (en) 1944-05-16

Family

ID=9389724

Family Applications (1)

Application Number Title Priority Date Filing Date
FR892685D Expired FR892685A (en) 1943-01-26 1943-01-26 Improvements made to magnetic compasses

Country Status (1)

Country Link
FR (1) FR892685A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3199210A (en) * 1962-01-23 1965-08-10 All Hands Inc Spherical compass

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3199210A (en) * 1962-01-23 1965-08-10 All Hands Inc Spherical compass

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