FR485028A - Perfectionnements aux compas de mer - Google Patents

Perfectionnements aux compas de mer

Info

Publication number
FR485028A
FR485028A FR485028DA FR485028A FR 485028 A FR485028 A FR 485028A FR 485028D A FR485028D A FR 485028DA FR 485028 A FR485028 A FR 485028A
Authority
FR
France
Prior art keywords
compasses
sea
sea compasses
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)
Inventor
Johan Wilhelm Theodor Olan
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR485028A publication Critical patent/FR485028A/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)
FR485028D 1917-04-05 1917-04-05 Perfectionnements aux compas de mer Expired FR485028A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR485028T 1917-04-05

Publications (1)

Publication Number Publication Date
FR485028A true FR485028A (fr) 1917-12-04

Family

ID=1521768

Family Applications (1)

Application Number Title Priority Date Filing Date
FR485028D Expired FR485028A (fr) 1917-04-05 1917-04-05 Perfectionnements aux compas de mer

Country Status (1)

Country Link
FR (1) FR485028A (fr)

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