LEGIBILITY OF SYTMBOLS OF THE AND10400, MACKWORTH, AND BERGER TYPE-FACES AT VERICAL AND HORIZONTAL ANGLES OF PRESENTATION AND THE CONSTRUCTION AND TEST OF LEGIBILITY

摘要

Because of spatial restrictions, individuals employing visual displays as sources of infornntion often must be displaced from the axis normal to the plane of the display-panel. Understanding the effects of such angular displacement upon legibility was the general aim of this investigation.