FR488530A - Navigation circle - Google Patents

Navigation circle

Info

Publication number
FR488530A
FR488530A FR488530DA FR488530A FR 488530 A FR488530 A FR 488530A FR 488530D A FR488530D A FR 488530DA FR 488530 A FR488530 A FR 488530A
Authority
FR
France
Prior art keywords
navigation circle
navigation
circle
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
Andre Lorfevre
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.)
ANDRE LORFEVRE
Original Assignee
ANDRE LORFEVRE
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 ANDRE LORFEVRE filed Critical ANDRE LORFEVRE
Application granted granted Critical
Publication of FR488530A publication Critical patent/FR488530A/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
    • G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
    • G01C21/02—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by astronomical means

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Astronomy & Astrophysics (AREA)
  • Automation & Control Theory (AREA)
  • General Physics & Mathematics (AREA)
FR488530D 1918-01-14 1918-01-14 Navigation circle Expired FR488530A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR488530T 1918-01-14

Publications (1)

Publication Number Publication Date
FR488530A true FR488530A (en) 1918-10-18

Family

ID=1524879

Family Applications (1)

Application Number Title Priority Date Filing Date
FR488530D Expired FR488530A (en) 1918-01-14 1918-01-14 Navigation circle

Country Status (1)

Country Link
FR (1) FR488530A (en)

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