“…Several chapters have alreadi been published in preliminary form [12, 55, 56, 57, 1731. Special-purpose guides have also been prepared for the assistance of equipment designers. These include Guide to Design of Electronic Equipment for Maintainability [66] [120], The Design and Conduct of Human Engineering Studies [33], Human Factors in Undersea Warfare [ 1391, "Engineering Psychology and Equipment Design" in the Handbook of Experimental Psychology [60], Human Engineering [ 12 11, and Research Techniques in Human Engineering [34].…”