DE299952C - - Google Patents
Info
- Publication number
- DE299952C DE299952C DENDAT299952D DE299952DA DE299952C DE 299952 C DE299952 C DE 299952C DE NDAT299952 D DENDAT299952 D DE NDAT299952D DE 299952D A DE299952D A DE 299952DA DE 299952 C DE299952 C DE 299952C
- Authority
- DE
- Germany
- Prior art keywords
- pointers
- pointer
- magnetic
- axis
- adjustable
- 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
- 241000182341 Cubitermes group Species 0.000 description 1
- 206010044565 Tremor Diseases 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000010355 oscillation Effects 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
- 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)
- Details Of Measuring Devices (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE299952C true DE299952C (enExample) |
Family
ID=553995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT299952D Active DE299952C (enExample) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE299952C (enExample) |
-
0
- DE DENDAT299952D patent/DE299952C/de active Active
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