FR492782A - Aviation compass improvements - Google Patents

Aviation compass improvements

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
French (fr)
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/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
    • 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
FR492782D 1916-11-21 1916-11-21 Aviation compass improvements Expired FR492782A (en)

Applications Claiming Priority (1)

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

Publications (1)

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

Family

ID=1528606

Family Applications (1)

Application Number Title Priority Date Filing Date
FR492782D Expired FR492782A (en) 1916-11-21 1916-11-21 Aviation compass improvements

Country Status (1)

Country Link
FR (1) FR492782A (en)

Similar Documents

Publication Publication Date Title
FR492782A (en) Aviation compass improvements
FR464238A (en) Ellipsograph compass
FR499106A (en) Improvements to gyroscopic compasses
FR442088A (en) Point compass for air travel
FR502127A (en) Aviation propeller improvements
FR435114A (en) Aviation compass
FR487564A (en) Improvements to gyroscopic compasses
FR445946A (en) Compass or compass
FR453889A (en) Reduction compass
FR439396A (en) Compass with normal points
FR495738A (en) Ellipse compass
FR426695A (en) Compass for aviators
FR494954A (en) Propeller refinements
FR503002A (en) Aviation engine improvements
FR478837A (en) Compass
FR436857A (en) Taximeter protractor compass
FR443102A (en) Drift compass
CA179389A (en) Compass
FR431709A (en) New marine compass
FR436761A (en) Landaulet cowling with internally controlled compass
FR449808A (en) Compass with parallel guided branches
FR497571A (en) Propeller refinements
FR497847A (en) Propeller refinements
FR480579A (en) Sprayer improvements
FR437458A (en) Divider compass