FR497868A - Perfectionnements aux instruments de navigation - Google Patents

Perfectionnements aux instruments de navigation

Info

Publication number
FR497868A
FR497868A FR497868DA FR497868A FR 497868 A FR497868 A FR 497868A FR 497868D A FR497868D A FR 497868DA FR 497868 A FR497868 A FR 497868A
Authority
FR
France
Prior art keywords
navigation instruments
navigation
instruments
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
Charles Lane Poor
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 FR497868A publication Critical patent/FR497868A/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
    • 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)
FR497868D 1918-01-10 1919-04-05 Perfectionnements aux instruments de navigation Expired FR497868A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US497868XA 1918-01-10 1918-01-10

Publications (1)

Publication Number Publication Date
FR497868A true FR497868A (fr) 1919-12-19

Family

ID=1533158

Family Applications (1)

Application Number Title Priority Date Filing Date
FR497868D Expired FR497868A (fr) 1918-01-10 1919-04-05 Perfectionnements aux instruments de navigation

Country Status (1)

Country Link
FR (1) FR497868A (fr)

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