FR908054A - Microfilm reader - Google Patents
Microfilm readerInfo
- Publication number
- FR908054A FR908054A FR908054DA FR908054A FR 908054 A FR908054 A FR 908054A FR 908054D A FR908054D A FR 908054DA FR 908054 A FR908054 A FR 908054A
- Authority
- FR
- France
- Prior art keywords
- microfilm reader
- microfilm
- reader
- 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
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/02—Viewing or reading apparatus
- G02B27/021—Reading apparatus
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR908054T | 1944-12-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR908054A true FR908054A (en) | 1946-03-29 |
Family
ID=9406807
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR908054D Expired FR908054A (en) | 1944-12-01 | 1944-12-01 | Microfilm reader |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR908054A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2847902A (en) * | 1954-12-03 | 1958-08-19 | Ferrania Spa | Portable projection apparatus for diapositives and microfilms |
US4537483A (en) * | 1984-05-21 | 1985-08-27 | Turner Roger S | Optical projection viewing system |
-
1944
- 1944-12-01 FR FR908054D patent/FR908054A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2847902A (en) * | 1954-12-03 | 1958-08-19 | Ferrania Spa | Portable projection apparatus for diapositives and microfilms |
US4537483A (en) * | 1984-05-21 | 1985-08-27 | Turner Roger S | Optical projection viewing system |
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