BE525430A - - Google Patents
Info
- Publication number
- BE525430A BE525430A BE525430DA BE525430A BE 525430 A BE525430 A BE 525430A BE 525430D A BE525430D A BE 525430DA BE 525430 A BE525430 A BE 525430A
- Authority
- BE
- Belgium
- Prior art keywords
- box
- drums
- window
- photographs
- removable
- Prior art date
Links
- 238000004804 winding Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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)
- Displays For Variable Information Using Movable Means (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE525430A true BE525430A (forum.php) |
Family
ID=159731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE525430D BE525430A (forum.php) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE525430A (forum.php) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3710488A (en) * | 1970-11-25 | 1973-01-16 | Eastman Kodak Co | Microfiche viewing device |
-
0
- BE BE525430D patent/BE525430A/fr unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3710488A (en) * | 1970-11-25 | 1973-01-16 | Eastman Kodak Co | Microfiche viewing device |
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