FR492782A - Perfectionnements aux compas d'aviation - Google Patents

Perfectionnements aux compas d'aviation

Info

Publication number
FR492782A
FR492782A FR492782DA FR492782A FR 492782 A FR492782 A FR 492782A FR 492782D A FR492782D A FR 492782DA FR 492782 A FR492782 A FR 492782A
Authority
FR
France
Prior art keywords
compass
aviation
compass improvements
aviation compass
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 William Kennedy
Wilber Jackson
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 FR492782A publication Critical patent/FR492782A/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
    • G01C9/00—Measuring inclination, e.g. by clinometers, by levels
    • G01C9/18—Measuring inclination, e.g. by clinometers, by levels by using liquids
    • G01C9/20—Measuring inclination, e.g. by clinometers, by levels by using liquids the indication being based on the inclination of the surface of a liquid relative to its container
    • G01C9/22—Measuring inclination, e.g. by clinometers, by levels by using liquids the indication being based on the inclination of the surface of a liquid relative to its container with interconnected containers in fixed relation to each other

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
FR492782D 1916-11-21 1916-11-21 Perfectionnements aux compas d'aviation Expired FR492782A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR492782T 1916-11-21

Publications (1)

Publication Number Publication Date
FR492782A true FR492782A (fr) 1919-07-18

Family

ID=1528606

Family Applications (1)

Application Number Title Priority Date Filing Date
FR492782D Expired FR492782A (fr) 1916-11-21 1916-11-21 Perfectionnements aux compas d'aviation

Country Status (1)

Country Link
FR (1) FR492782A (fr)

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