... mention of damaged copies thrown aside, of sample copies, files, exchanges, copies kept against possible future need, copies unsold, copies nominally sold but sooner or later returned and finally sold to the junk shop, and all that sort of thing. One prints a large extra issue on a certain day for some business corporation which has its own purpose to serve by publication of an article in its own interest, whereby many thousands of copies are added to that day's normal output, and he makes the exceptional ... — Scientific American Supplement, No. 795, March 28, 1891 • Various
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