FR850098A - Route plotting device, in particular for ships or airplanes - Google Patents
Route plotting device, in particular for ships or airplanesInfo
- Publication number
- FR850098A FR850098A FR850098DA FR850098A FR 850098 A FR850098 A FR 850098A FR 850098D A FR850098D A FR 850098DA FR 850098 A FR850098 A FR 850098A
- Authority
- FR
- France
- Prior art keywords
- airplanes
- ships
- plotting device
- route plotting
- route
- 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
- G01C17/02—Magnetic compasses
- G01C17/04—Magnetic compasses with north-seeking magnetic elements, e.g. needles
- G01C17/10—Comparing observed direction with north indication
- G01C17/12—Comparing observed direction with north indication by sighting means, e.g. for surveyors' compasses
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 |
---|---|---|---|
FR850098T | 1938-08-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR850098A true FR850098A (en) | 1939-12-07 |
Family
ID=9315559
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR850098D Expired FR850098A (en) | 1938-08-18 | 1938-08-18 | Route plotting device, in particular for ships or airplanes |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR850098A (en) |
-
1938
- 1938-08-18 FR FR850098D patent/FR850098A/en not_active Expired
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