Since the second world war, the Human Factors Scientist has played a fairly significant role in the design of equipment for military use. In the 1940's, psychologists were assisting in the design of such varied equipments as radar consoles, instrument dials, gunsight reticles, information control and display systems, underwater sound detection devices, aircraft cockpit display systems, communications systems and training simulators. To a large extent, this earlier work could be classified as pure human engineering since the primary concern was with the dial legibility, knob selection, visual coding, tracking, control/display relationships, work place and console layouts and anthropometrics of the human being. Much of this information and research data is presently well known and documented. Human Engineering Data can be found in comprehensive reference texts such as:
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