DE239108C - - Google Patents
Info
- Publication number
- DE239108C DE239108C DENDAT239108D DE239108DA DE239108C DE 239108 C DE239108 C DE 239108C DE NDAT239108 D DENDAT239108 D DE NDAT239108D DE 239108D A DE239108D A DE 239108DA DE 239108 C DE239108 C DE 239108C
- Authority
- DE
- Germany
- Prior art keywords
- arc
- measuring
- frame
- ruler
- measuring wheel
- 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
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)
- Length-Measuring Instruments Using Mechanical Means (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE239108C true DE239108C (cg-RX-API-DMAC7.html) |
Family
ID=498579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT239108D Active DE239108C (cg-RX-API-DMAC7.html) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE239108C (cg-RX-API-DMAC7.html) |
-
0
- DE DENDAT239108D patent/DE239108C/de active Active
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