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  1. Your enterprise is anything however small—especially through the holidays. The books have been initially to be produced by letterpress printing, which means the illustrations must be pure line drawings with no tones or washes. We import giant quantities of paper for the printing of textbooks. The first truly profitable commercial technique was patented by Frederic Ives of Philadelphia in 1881. But though he HP Stylus Pens discovered a method of breaking up the picture into dots of varying sizes he didn't make use of a display.


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