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DISPLAY WITH ENTROPY
A concept of entropy is developed as an information theory sense as applied to character generation of the cathode ray tube display.
By Charles Halsted

SIMPLIFIED METHODS FOR DETERMINING DISPLAY SCREEN RESOLUTION CHARACTERISTICS
Techniques for determining display screen sizes, resolutions, and vievving distances and areas for small and large screen display systems are presented.
By Roger 5. Walker

COMPARISON OF IMAGE DEGRADATION IN PHOTOGRAPHIC AND IMAGE ORTHICON SYSTEMS
Compares various image degrading effects of both image tubes and photographic materials as receptors for use on space objects.
By. Walter E. Woehl

EDITORIAL: Jim Belcher discusses up-coming symposium

SID ACTIVITIES: local and national news

READOUT: display industry news

BUSINESS NEWS

TECHNICAL PRODUCT ARTICLE

NEW PRODUCTS: innovations from many firms

NEW LITERATURE: data available on items and ideas

ON THE MOVE: people - their appointments, promotions

CORRESPONDENCE

ADVERTISERS' INDEX: for finding them quickly