DE181029C - - Google Patents
Info
- Publication number
- DE181029C DE181029C DENDAT181029D DE181029DA DE181029C DE 181029 C DE181029 C DE 181029C DE NDAT181029 D DENDAT181029 D DE NDAT181029D DE 181029D A DE181029D A DE 181029DA DE 181029 C DE181029 C DE 181029C
- Authority
- DE
- Germany
- Prior art keywords
- yellow
- telescope
- twilight
- lenses
- eyepiece
- 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
- 235000015250 liver sausages Nutrition 0.000 claims 1
- 239000011521 glass Substances 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 241000031711 Cytophagaceae Species 0.000 description 1
- 229910052770 Uranium Inorganic materials 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
- G02B23/12—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices with means for image conversion or intensification
Landscapes
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Eyeglasses (AREA)
- Lenses (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE181029C true DE181029C (enrdf_load_stackoverflow) |
Family
ID=445244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT181029D Active DE181029C (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE181029C (enrdf_load_stackoverflow) |
-
0
- DE DENDAT181029D patent/DE181029C/de active Active
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