GB190121211A - - Google Patents
Info
- Publication number
- GB190121211A GB190121211A GB190121211DA GB190121211A GB 190121211 A GB190121211 A GB 190121211A GB 190121211D A GB190121211D A GB 190121211DA GB 190121211 A GB190121211 A GB 190121211A
- Authority
- GB
- United Kingdom
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB190121211T | 1901-10-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB190121211A true GB190121211A (en) | 1902-10-09 |
Family
ID=43802009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB190121211D Expired GB190121211A (en) | 1901-10-22 | 1901-10-22 |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB190121211A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2416525A (en) * | 1943-11-22 | 1947-02-25 | Combined Optical Ind Ltd | Collective lens system |
| US2501219A (en) * | 1947-11-03 | 1950-03-21 | Watson W & Sons Ltd | Variable magnification optical system |
| US2503789A (en) * | 1946-09-21 | 1950-04-11 | Eastman Kodak Co | Focusing objective lens |
| US2514239A (en) * | 1948-07-02 | 1950-07-04 | Watson W & Sons Ltd | Variable magnification optical system |
| US2516724A (en) * | 1946-08-23 | 1950-07-25 | Rossinov Michael Michaelovitch | Wide angle orthoscopic anastigmatic photographic objective |
| US2751813A (en) * | 1953-03-04 | 1956-06-26 | Zeiss Carl | Optical system for photogrammetric plotting instruments |
| US2781695A (en) * | 1954-08-31 | 1957-02-19 | Schneider Co Optische Werke | Optical system with large effective image angle |
| US3263562A (en) * | 1963-02-06 | 1966-08-02 | Gen Scientific Corp | Four element symmetrical reproduction lens |
-
1901
- 1901-10-22 GB GB190121211D patent/GB190121211A/en not_active Expired
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2416525A (en) * | 1943-11-22 | 1947-02-25 | Combined Optical Ind Ltd | Collective lens system |
| US2516724A (en) * | 1946-08-23 | 1950-07-25 | Rossinov Michael Michaelovitch | Wide angle orthoscopic anastigmatic photographic objective |
| US2503789A (en) * | 1946-09-21 | 1950-04-11 | Eastman Kodak Co | Focusing objective lens |
| US2501219A (en) * | 1947-11-03 | 1950-03-21 | Watson W & Sons Ltd | Variable magnification optical system |
| US2514239A (en) * | 1948-07-02 | 1950-07-04 | Watson W & Sons Ltd | Variable magnification optical system |
| US2751813A (en) * | 1953-03-04 | 1956-06-26 | Zeiss Carl | Optical system for photogrammetric plotting instruments |
| US2781695A (en) * | 1954-08-31 | 1957-02-19 | Schneider Co Optische Werke | Optical system with large effective image angle |
| US3263562A (en) * | 1963-02-06 | 1966-08-02 | Gen Scientific Corp | Four element symmetrical reproduction lens |