DE222754C - - Google Patents
Info
- Publication number
- DE222754C DE222754C DENDAT222754D DE222754DA DE222754C DE 222754 C DE222754 C DE 222754C DE NDAT222754 D DENDAT222754 D DE NDAT222754D DE 222754D A DE222754D A DE 222754DA DE 222754 C DE222754 C DE 222754C
- Authority
- DE
- Germany
- Prior art keywords
- mirror
- bladder
- curve
- mirror system
- images
- 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
- 241000238633 Odonata Species 0.000 description 8
- 239000003550 marker Substances 0.000 description 3
- 241000182341 Cubitermes group Species 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 210000004209 hair Anatomy 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
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
- G01C9/24—Measuring inclination, e.g. by clinometers, by levels by using liquids in closed containers partially filled with liquid so as to leave a gas bubble
- G01C9/26—Details
- G01C9/32—Means for facilitating the observation of the position of the bubble, e.g. illuminating means
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Length Measuring Devices By Optical Means (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE222754C true DE222754C (enrdf_load_html_response) |
Family
ID=483619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT222754D Active DE222754C (enrdf_load_html_response) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE222754C (enrdf_load_html_response) |
-
0
- DE DENDAT222754D patent/DE222754C/de active Active
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