8 - WIDE-SCREEN SLIDE PROJECTION
How to Beat the Cosine 4th Law of Illumination. Control over the distribution of screen illuminance from a slide projector by proper design of the illuminating condenser.​
by Helmut Weiss

16 - DISPLAYS, PAPERS, AND LIGHTING
The Visual System in Command Centers. CRT displays, projection displays and hard copy present problem in illlumination. Different levels of illumination offer one data source an advantage over the other.
by A. C. Stocker

28 - THE ID FIELD AS IT EXISTS TODAY
Keynote Address to the Society for Information Display. A broad survey of the information display field, citing ID's successes and failures to date. Specific display areas in which the Department of Defense has indicated interest.
by Ruth M. Davis

36 - SID CONVENTION
Highlights of the Fourth Symposium. Keynote address, technical program and papers, list of exhibitors.

7 - President's Editorial 

32 - ID Readout

38 - The Authors

38 - Editorial Advisory Board

40 - ID Products

42 - SID Sustaining Members

42 - Index to Advertisers