FR704889A - Perfectionnement aux stéréoscopes - Google Patents
Perfectionnement aux stéréoscopesInfo
- Publication number
- FR704889A FR704889A FR704889DA FR704889A FR 704889 A FR704889 A FR 704889A FR 704889D A FR704889D A FR 704889DA FR 704889 A FR704889 A FR 704889A
- Authority
- FR
- France
- Prior art keywords
- stereoscopes
- improvement
- 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
- G03B23/14—Carriers operable to move pictures into, and out of, the projection or viewing position and carrying one or two pictures only in a removable manner also other devices not provided with a stock, e.g. chutes
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR704889T | 1930-11-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR704889A true FR704889A (fr) | 1931-05-28 |
Family
ID=9066858
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR704889D Expired FR704889A (fr) | 1930-11-04 | 1930-11-04 | Perfectionnement aux stéréoscopes |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR704889A (fr) |
-
1930
- 1930-11-04 FR FR704889D patent/FR704889A/fr not_active Expired
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