DE207718C - - Google Patents
Info
- Publication number
- DE207718C DE207718C DENDAT207718D DE207718DA DE207718C DE 207718 C DE207718 C DE 207718C DE NDAT207718 D DENDAT207718 D DE NDAT207718D DE 207718D A DE207718D A DE 207718DA DE 207718 C DE207718 C DE 207718C
- Authority
- DE
- Germany
- Prior art keywords
- mirror
- brand
- telescope
- mark
- objective lenses
- 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
- 239000011521 glass Substances 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C1/00—Measuring angles
- G01C1/08—Sextants
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Telescopes (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE207718C true DE207718C (forum.php) |
Family
ID=469796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT207718D Active DE207718C (forum.php) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE207718C (forum.php) |
-
0
- DE DENDAT207718D patent/DE207718C/de active Active
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