FR4705E - Improvements made to ship compasses - Google Patents
Improvements made to ship compassesInfo
- Publication number
- FR4705E FR4705E FR4705DA FR4705E FR 4705 E FR4705 E FR 4705E FR 4705D A FR4705D A FR 4705DA FR 4705 E FR4705 E FR 4705E
- Authority
- FR
- France
- Prior art keywords
- compasses
- ship
- improvements made
- ship compasses
- 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 (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR332362T | 1903-05-25 | ||
FR4705T | 1905-04-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR4705E true FR4705E (en) | 1905-09-16 |
Family
ID=1347871
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR4705D Expired FR4705E (en) | 1903-05-25 | 1905-04-18 | Improvements made to ship compasses |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR4705E (en) |
-
1905
- 1905-04-18 FR FR4705D patent/FR4705E/en not_active Expired
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