FR33370E - Perfectionnements aux stéréoscopes - Google Patents
Perfectionnements aux stéréoscopesInfo
- Publication number
- FR33370E FR33370E FR33370DA FR33370E FR 33370 E FR33370 E FR 33370E FR 33370D A FR33370D A FR 33370DA FR 33370 E FR33370 E FR 33370E
- Authority
- FR
- France
- Prior art keywords
- stereoscopes
- 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
- G03B23/02—Devices for changing pictures in viewing apparatus or projectors in which a picture is removed from a stock and returned to the same stock or another one; Magazines therefor
- G03B23/04—Devices for changing pictures in viewing apparatus or projectors in which a picture is removed from a stock and returned to the same stock or another one; Magazines therefor with linear movement
- G03B23/046—Picture changing devices
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR33370T | 1927-04-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR33370E true FR33370E (fr) | 1928-09-27 |
Family
ID=8671011
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR33370D Expired FR33370E (fr) | 1927-04-15 | 1927-04-15 | Perfectionnements aux stéréoscopes |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR33370E (fr) |
-
1927
- 1927-04-15 FR FR33370D patent/FR33370E/fr not_active Expired
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