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Printing.
margin than to the top and back of the paper, thus:
the unit of the book being looked on as the two pages forming an opening. The modern printer, in the teeth of the evidence given by his own eyes, considers the single page as the unit, and prints the page in the middle of his paper—only nominally so, however, in many cases, since when he uses a headline he counts that in, the result as measured by the eye being that the lower margin is less than the top one, and that the whole opening has an upside-down look vertically, and that laterally the page looks as if it were being driven off the paper.
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