GB534896A - Improvements in or relating to viewing devices for pictures or the like carried by aflexible band - Google Patents
Improvements in or relating to viewing devices for pictures or the like carried by aflexible bandInfo
- Publication number
- GB534896A GB534896A GB2466039A GB2466039A GB534896A GB 534896 A GB534896 A GB 534896A GB 2466039 A GB2466039 A GB 2466039A GB 2466039 A GB2466039 A GB 2466039A GB 534896 A GB534896 A GB 534896A
- Authority
- GB
- United Kingdom
- Prior art keywords
- band
- carried
- pictures
- aflexible
- relating
- 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)
- Toys (AREA)
Abstract
534,896. Picture-viewing apparatus. KEILWAGEN, W. Aug. 28, 1939, No. 24660. [Class 97 (i)] Apparatus for use in viewing pictures on a band 30 comprises spools 24, 25, carrying the band and rotated by a crank on a shaft 37 through worm gearing 36, 35, a shaft 32, and worm gearing 33, 34. The band passes between a platen 40 and a spring-pressed roller 44, and beneath an adjustable viewing lens 50 ; it is illuminated by a lamp 55 and reflector 58. The spools &c. are contained in a cabinet having a sloping top 16 carrying the lens mount and a holder 60 for explanatory data &c. A battery for the lamp may be carried in the cabinet, a switch being provided on a side wall.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2466039A GB534896A (en) | 1939-08-28 | 1939-08-28 | Improvements in or relating to viewing devices for pictures or the like carried by aflexible band |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2466039A GB534896A (en) | 1939-08-28 | 1939-08-28 | Improvements in or relating to viewing devices for pictures or the like carried by aflexible band |
Publications (1)
Publication Number | Publication Date |
---|---|
GB534896A true GB534896A (en) | 1941-03-21 |
Family
ID=10215219
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2466039A Expired GB534896A (en) | 1939-08-28 | 1939-08-28 | Improvements in or relating to viewing devices for pictures or the like carried by aflexible band |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB534896A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4234244A (en) * | 1977-12-01 | 1980-11-18 | Jeshayahu Klein | Portable microfilm viewer |
-
1939
- 1939-08-28 GB GB2466039A patent/GB534896A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4234244A (en) * | 1977-12-01 | 1980-11-18 | Jeshayahu Klein | Portable microfilm viewer |
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