CH209376A - Angle measuring device. - Google Patents
Angle measuring device.Info
- Publication number
- CH209376A CH209376A CH209376DA CH209376A CH 209376 A CH209376 A CH 209376A CH 209376D A CH209376D A CH 209376DA CH 209376 A CH209376 A CH 209376A
- Authority
- CH
- Switzerland
- Prior art keywords
- measuring device
- angle measuring
- angle
- measuring
- Prior art date
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH209376T | 1939-03-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH209376A true CH209376A (en) | 1940-04-15 |
Family
ID=4446477
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH209376D CH209376A (en) | 1939-03-08 | 1939-03-08 | Angle measuring device. |
Country Status (1)
Country | Link |
---|---|
CH (1) | CH209376A (en) |
-
1939
- 1939-03-08 CH CH209376D patent/CH209376A/en unknown
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