FR675940A - Stereoscope with interchangeable frames - Google Patents
Stereoscope with interchangeable framesInfo
- Publication number
- FR675940A FR675940A FR675940DA FR675940A FR 675940 A FR675940 A FR 675940A FR 675940D A FR675940D A FR 675940DA FR 675940 A FR675940 A FR 675940A
- Authority
- FR
- France
- Prior art keywords
- stereoscope
- interchangeable frames
- interchangeable
- frames
- 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
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B23/00—Devices for changing pictures in viewing apparatus or projectors
- G03B23/08—Devices for changing pictures in viewing apparatus or projectors in which pictures are attached to a movable carrier
- G03B23/12—Devices for changing pictures in viewing apparatus or projectors in which pictures are attached to a movable carrier linear strip carrier
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR675940T | 1929-05-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR675940A true FR675940A (en) | 1930-02-17 |
Family
ID=9019611
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR675940D Expired FR675940A (en) | 1929-05-29 | 1929-05-29 | Stereoscope with interchangeable frames |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR675940A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2534561A (en) * | 1946-06-15 | 1950-12-19 | Silver John | Device for displaying photographic transparencies |
US2643577A (en) * | 1951-03-08 | 1953-06-30 | Williams John Nelson | Stereoscopic viewing device |
US2643578A (en) * | 1951-06-19 | 1953-06-30 | Williams John Nelson | Stereoscopic viewing device |
US2817269A (en) * | 1954-06-28 | 1957-12-24 | Gen Motors Corp | Photographic viewers |
-
1929
- 1929-05-29 FR FR675940D patent/FR675940A/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2534561A (en) * | 1946-06-15 | 1950-12-19 | Silver John | Device for displaying photographic transparencies |
US2643577A (en) * | 1951-03-08 | 1953-06-30 | Williams John Nelson | Stereoscopic viewing device |
US2643578A (en) * | 1951-06-19 | 1953-06-30 | Williams John Nelson | Stereoscopic viewing device |
US2817269A (en) * | 1954-06-28 | 1957-12-24 | Gen Motors Corp | Photographic viewers |
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