FR412658A - Magnetic compass - Google Patents

Magnetic compass

Info

Publication number
FR412658A
FR412658A FR412658DA FR412658A FR 412658 A FR412658 A FR 412658A FR 412658D A FR412658D A FR 412658DA FR 412658 A FR412658 A FR 412658A
Authority
FR
France
Prior art keywords
magnetic compass
compass
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.)
KELVIN AND JAMES WHITE Ltd
Original Assignee
KELVIN AND JAMES WHITE Ltd
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 KELVIN AND JAMES WHITE Ltd filed Critical KELVIN AND JAMES WHITE Ltd
Application granted granted Critical
Publication of FR412658A publication Critical patent/FR412658A/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)
FR412658D 1910-02-15 1910-02-15 Magnetic compass Expired FR412658A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR412658T 1910-02-15

Publications (1)

Publication Number Publication Date
FR412658A true FR412658A (en) 1910-07-19

Family

ID=1456503

Family Applications (1)

Application Number Title Priority Date Filing Date
FR412658D Expired FR412658A (en) 1910-02-15 1910-02-15 Magnetic compass

Country Status (1)

Country Link
FR (1) FR412658A (en)

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