| 摘要 |
A low cost, page-size viewing receiver without optical power having relatively inverted opposite side viewing configurations which is capable of being held and operated by one hand, which provides for storage of a large amount of information on a scroll or tape therein, and which provides for quick retrievability of said information therefrom by searcher finger control of a reversible indexing motor drive of the scroll to bring the information into a viewing area from whence it can be easily read involving the use of the same fingers of the operator regardless of the side of the viewing device being observed.
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