FR449985A - Longitudinal and lateral inclination indicator for airplane - Google Patents

Longitudinal and lateral inclination indicator for airplane

Info

Publication number
FR449985A
FR449985A FR449985DA FR449985A FR 449985 A FR449985 A FR 449985A FR 449985D A FR449985D A FR 449985DA FR 449985 A FR449985 A FR 449985A
Authority
FR
France
Prior art keywords
airplane
longitudinal
lateral inclination
inclination indicator
indicator
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
Jacques Janin
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.)
JACQUES JANIN
Original Assignee
JACQUES JANIN
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 JACQUES JANIN filed Critical JACQUES JANIN
Application granted granted Critical
Publication of FR449985A publication Critical patent/FR449985A/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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
FR449985D 1912-10-29 1912-10-29 Longitudinal and lateral inclination indicator for airplane Expired FR449985A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR449985T 1912-10-29

Publications (1)

Publication Number Publication Date
FR449985A true FR449985A (en) 1913-03-12

Family

ID=1490459

Family Applications (1)

Application Number Title Priority Date Filing Date
FR449985D Expired FR449985A (en) 1912-10-29 1912-10-29 Longitudinal and lateral inclination indicator for airplane

Country Status (1)

Country Link
FR (1) FR449985A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2432875A (en) * 1942-09-01 1947-12-16 Bausch & Lomb Level indicating device
US2519211A (en) * 1946-03-18 1950-08-15 Wyler Max Adjustable level case

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2432875A (en) * 1942-09-01 1947-12-16 Bausch & Lomb Level indicating device
US2519211A (en) * 1946-03-18 1950-08-15 Wyler Max Adjustable level case

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