Scan Converter Tubes and their Applications
Conclusion of a two-part article on scan conversion. Theory underlying the two types of electronic scan converter tubes,
single- and dual-gun, and an analysis of characteristics and application techniques pertaining to specific tubes currently
available.
By G. T. Nagy

Information Display in a Vehicular Traffic Control System of the Post-1970 Era
A control system for the superhighway of the future is described. The system would incorporate computer and electronic peripheral equipment, highway traffic enforcement procedures, and specialized designs that must govern the information display components of such a system.
By Edith Bairdain

Photometric Units
A wide variety of photometric units are in current use in the field of optics, photography, photometry, psychology, and other display-allied disciplines. Some identical units have two or three common names. Various units are often incorrectly used or defined. This is an effort to clarify the confusion which exists in this basic area of display.
By H. R. Luxenberg

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