Visual Performance with High-Contrast Cathode-Ray Tubes at High Levels of Ambient Illumination

Gap-detection thresholds and working-level preferences were determined for one standard and three experimental high-contrast cathode-ray tubes under four levels of ambient illumination, 100, 1,000, 5,000, and 10,000 ft.-c.; two angles of incidence, 30 and 60°; and two angles of regard, 0 and −45° Tr...

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