FR782576A - Perfectionnements aux boussoles - Google Patents
Perfectionnements aux boussolesInfo
- Publication number
- FR782576A FR782576A FR782576DA FR782576A FR 782576 A FR782576 A FR 782576A FR 782576D A FR782576D A FR 782576DA FR 782576 A FR782576 A FR 782576A
- Authority
- FR
- France
- Prior art keywords
- refinements
- compass
- compass refinements
- 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 |
---|---|---|---|
SE782576X | 1933-12-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR782576A true FR782576A (fr) | 1935-06-07 |
Family
ID=20336762
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR782576D Expired FR782576A (fr) | 1933-12-11 | 1934-12-11 | Perfectionnements aux boussoles |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR782576A (fr) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2487044A (en) * | 1945-10-01 | 1949-11-08 | William C Cude | Compass |
US2824382A (en) * | 1953-08-17 | 1958-02-25 | Sandberg Nils Henry | Compasses |
US4141152A (en) * | 1977-11-30 | 1979-02-27 | White W Gordon | Piloting instrument |
-
1934
- 1934-12-11 FR FR782576D patent/FR782576A/fr not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2487044A (en) * | 1945-10-01 | 1949-11-08 | William C Cude | Compass |
US2824382A (en) * | 1953-08-17 | 1958-02-25 | Sandberg Nils Henry | Compasses |
US4141152A (en) * | 1977-11-30 | 1979-02-27 | White W Gordon | Piloting instrument |
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