FR431275A - Compass for aviation, dry or liquid - Google Patents
Compass for aviation, dry or liquidInfo
- Publication number
- FR431275A FR431275A FR431275DA FR431275A FR 431275 A FR431275 A FR 431275A FR 431275D A FR431275D A FR 431275DA FR 431275 A FR431275 A FR 431275A
- Authority
- FR
- France
- Prior art keywords
- compass
- aviation
- dry
- liquid
- 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
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR419682T | 1910-08-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR431275A true FR431275A (en) | 1911-11-07 |
Family
ID=1462889
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR419682D Expired FR419682A (en) | 1910-08-25 | 1910-08-25 | Compass for air navigation |
FR431275D Expired FR431275A (en) | 1910-08-25 | 1911-05-18 | Compass for aviation, dry or liquid |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR419682D Expired FR419682A (en) | 1910-08-25 | 1910-08-25 | Compass for air navigation |
Country Status (1)
Country | Link |
---|---|
FR (2) | FR419682A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2855696A (en) * | 1957-04-15 | 1958-10-14 | Malcolm R Griswold | Magnetic compasses |
US3177591A (en) * | 1962-10-25 | 1965-04-13 | William S Jolley | Compass with means for correcting angle of declination |
-
1910
- 1910-08-25 FR FR419682D patent/FR419682A/en not_active Expired
-
1911
- 1911-05-18 FR FR431275D patent/FR431275A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2855696A (en) * | 1957-04-15 | 1958-10-14 | Malcolm R Griswold | Magnetic compasses |
US3177591A (en) * | 1962-10-25 | 1965-04-13 | William S Jolley | Compass with means for correcting angle of declination |
Also Published As
Publication number | Publication date |
---|---|
FR419682A (en) | 1911-01-12 |
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