DE309759C - - Google Patents
Info
- Publication number
- DE309759C DE309759C DENDAT309759D DE309759DA DE309759C DE 309759 C DE309759 C DE 309759C DE NDAT309759 D DENDAT309759 D DE NDAT309759D DE 309759D A DE309759D A DE 309759DA DE 309759 C DE309759 C DE 309759C
- Authority
- DE
- Germany
- Prior art keywords
- meridian
- ceiling
- wire
- screw
- mirror
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 206010064127 Solar lentigo Diseases 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- 229910001369 Brass Inorganic materials 0.000 description 3
- 239000010951 brass Substances 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 239000007787 solid Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/02—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by astronomical means
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Astronomy & Astrophysics (AREA)
- Automation & Control Theory (AREA)
- General Physics & Mathematics (AREA)
- Outer Garments And Coats (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE309759C true DE309759C (enrdf_load_stackoverflow) |
Family
ID=562897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT309759D Active DE309759C (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE309759C (enrdf_load_stackoverflow) |
-
0
- DE DENDAT309759D patent/DE309759C/de active Active
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