DE94827C - - Google Patents
Info
- Publication number
- DE94827C DE94827C DENDAT94827D DE94827DA DE94827C DE 94827 C DE94827 C DE 94827C DE NDAT94827 D DENDAT94827 D DE NDAT94827D DE 94827D A DE94827D A DE 94827DA DE 94827 C DE94827 C DE 94827C
- Authority
- DE
- Germany
- Prior art keywords
- ruler
- main patent
- rail
- micrometer
- instrument
- 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)
- Drawing Aids And Blackboards (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE94827C true DE94827C (cs) |
Family
ID=366128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT94827D Active DE94827C (cs) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE94827C (cs) |
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0
- DE DENDAT94827D patent/DE94827C/de active Active
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