DE155849C - - Google Patents
Info
- Publication number
- DE155849C DE155849C DENDAT155849D DE155849DA DE155849C DE 155849 C DE155849 C DE 155849C DE NDAT155849 D DENDAT155849 D DE NDAT155849D DE 155849D A DE155849D A DE 155849DA DE 155849 C DE155849 C DE 155849C
- Authority
- DE
- Germany
- Prior art keywords
- fork
- pointer
- disk
- hand
- spring
- 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
- 238000013459 approach Methods 0.000 claims description 5
- 230000000630 rising effect Effects 0.000 claims 1
- 229910000679 solder Inorganic materials 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/02—Determining slope or direction
- E21B47/022—Determining slope or direction of the borehole, e.g. using geomagnetism
Landscapes
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Geophysics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geophysics And Detection Of Objects (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE155849C true DE155849C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family
ID=422284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT155849D Active DE155849C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE155849C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
-
0
- DE DENDAT155849D patent/DE155849C/de active Active
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