Page:A contribution to computer typesetting techniques - tables of coordinates for Hershey's repertory of occidental type fonts and graphic symbols (IA contributiontoco424wolc).pdf/32

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Figure 16. Here we see the use of the triplex mode to draw 72 point characters on a drum plotter (with a 0.4mm wide pen). Use of a wider pen would have removed the white spaces between all of the lines. Since spot size and intensity can be varied on a COM device , comparable results can be achieved.