FR987988A - Improvements to reflecting telescope systems - Google Patents
Improvements to reflecting telescope systemsInfo
- Publication number
- FR987988A FR987988A FR987988DA FR987988A FR 987988 A FR987988 A FR 987988A FR 987988D A FR987988D A FR 987988DA FR 987988 A FR987988 A FR 987988A
- Authority
- FR
- France
- Prior art keywords
- reflecting telescope
- telescope systems
- systems
- reflecting
- telescope
- 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.)
- Expired
Links
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
Landscapes
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR987988T | 1943-07-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR987988A true FR987988A (en) | 1951-08-21 |
Family
ID=9539260
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR987988D Expired FR987988A (en) | 1943-07-09 | 1943-07-09 | Improvements to reflecting telescope systems |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR987988A (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2736231A (en) * | 1956-02-28 | Bauersfeld | ||
DE1039252B (en) * | 1956-12-19 | 1958-09-18 | Askania Werke Ag | Storage for telescope mirror |
US3154627A (en) * | 1960-08-09 | 1964-10-27 | Parsons & Co Sir Howard G | Control means for controlling static gas pressures in support means for a reflector of an optical telescope |
US3612664A (en) * | 1970-01-14 | 1971-10-12 | Us Navy | Optical path compensating device |
US4494693A (en) * | 1982-08-04 | 1985-01-22 | Ford Motor Company | Fluid actuated thermal compensator with adjustable stroke characteristics |
US4775230A (en) * | 1986-12-10 | 1988-10-04 | Carl-Zeiss-Stiftung | Support system for a telescope mirror |
-
1943
- 1943-07-09 FR FR987988D patent/FR987988A/en not_active Expired
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2736231A (en) * | 1956-02-28 | Bauersfeld | ||
DE1039252B (en) * | 1956-12-19 | 1958-09-18 | Askania Werke Ag | Storage for telescope mirror |
US3154627A (en) * | 1960-08-09 | 1964-10-27 | Parsons & Co Sir Howard G | Control means for controlling static gas pressures in support means for a reflector of an optical telescope |
US3612664A (en) * | 1970-01-14 | 1971-10-12 | Us Navy | Optical path compensating device |
US4494693A (en) * | 1982-08-04 | 1985-01-22 | Ford Motor Company | Fluid actuated thermal compensator with adjustable stroke characteristics |
US4775230A (en) * | 1986-12-10 | 1988-10-04 | Carl-Zeiss-Stiftung | Support system for a telescope mirror |
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