FR425978A - Air route indicator compass holder for airplanes, balloons, etc. - Google Patents

Air route indicator compass holder for airplanes, balloons, etc.

Info

Publication number
FR425978A
FR425978A FR425978DA FR425978A FR 425978 A FR425978 A FR 425978A FR 425978D A FR425978D A FR 425978DA FR 425978 A FR425978 A FR 425978A
Authority
FR
France
Prior art keywords
balloons
airplanes
air route
route indicator
holder
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
Joseph Lamant
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 FR425978A publication Critical patent/FR425978A/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)
FR425978D 1911-02-13 1911-02-13 Air route indicator compass holder for airplanes, balloons, etc. Expired FR425978A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR425978T 1911-02-13

Publications (1)

Publication Number Publication Date
FR425978A true FR425978A (en) 1911-06-24

Family

ID=1468591

Family Applications (1)

Application Number Title Priority Date Filing Date
FR425978D Expired FR425978A (en) 1911-02-13 1911-02-13 Air route indicator compass holder for airplanes, balloons, etc.

Country Status (1)

Country Link
FR (1) FR425978A (en)

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