FR541452A - Perfectionnements apportés aux niveaux - Google Patents
Perfectionnements apportés aux niveauxInfo
- Publication number
- FR541452A FR541452A FR541452DA FR541452A FR 541452 A FR541452 A FR 541452A FR 541452D A FR541452D A FR 541452DA FR 541452 A FR541452 A FR 541452A
- Authority
- FR
- France
- Prior art keywords
- levels
- 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.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
- G01C9/18—Measuring inclination, e.g. by clinometers, by levels by using liquids
- G01C9/20—Measuring inclination, e.g. by clinometers, by levels by using liquids the indication being based on the inclination of the surface of a liquid relative to its container
- G01C9/22—Measuring inclination, e.g. by clinometers, by levels by using liquids the indication being based on the inclination of the surface of a liquid relative to its container with interconnected containers in fixed relation to each other
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR541452T | 1921-09-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR541452A true FR541452A (fr) | 1922-07-28 |
Family
ID=8930137
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR541452D Expired FR541452A (fr) | 1921-09-23 | 1921-09-23 | Perfectionnements apportés aux niveaux |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR541452A (fr) |
-
1921
- 1921-09-23 FR FR541452D patent/FR541452A/fr not_active Expired
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