DE250779C - - Google Patents
Info
- Publication number
- DE250779C DE250779C DENDAT250779D DE250779DA DE250779C DE 250779 C DE250779 C DE 250779C DE NDAT250779 D DENDAT250779 D DE NDAT250779D DE 250779D A DE250779D A DE 250779DA DE 250779 C DE250779 C DE 250779C
- Authority
- DE
- Germany
- Prior art keywords
- tube
- mast
- telescope
- telescopic mast
- weakest
- 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
- 230000003287 optical effect Effects 0.000 claims description 3
- 238000005452 bending Methods 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 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
- G02B23/02—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices involving prisms or mirrors
- G02B23/08—Periscopes
Landscapes
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Telescopes (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE250779C true DE250779C (cs) |
Family
ID=509278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT250779D Active DE250779C (cs) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE250779C (cs) |
-
0
- DE DENDAT250779D patent/DE250779C/de active Active
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