DE249814C - - Google Patents
Info
- Publication number
- DE249814C DE249814C DENDAT249814D DE249814DA DE249814C DE 249814 C DE249814 C DE 249814C DE NDAT249814 D DENDAT249814 D DE NDAT249814D DE 249814D A DE249814D A DE 249814DA DE 249814 C DE249814 C DE 249814C
- Authority
- DE
- Germany
- Prior art keywords
- magnetic
- compass
- arms
- north
- directly indicate
- 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.)
- Active
Links
- 230000005484 gravity Effects 0.000 description 1
- 238000005293 physical law Methods 0.000 description 1
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)
- Instructional Devices (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE249814C true DE249814C (Sortimente) |
Family
ID=508400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT249814D Active DE249814C (Sortimente) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE249814C (Sortimente) |
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0
- DE DENDAT249814D patent/DE249814C/de active Active
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