microfilm sorter

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Xerox — This article is about the company. For photocopying, see photocopier. Xerox Corporation Type Public Traded as NYSE: … Wikipedia
Aperture card — An aperture card is a type of punched card with a cut out window into which a chip of microfilm is mounted. Such a card is used for archiving or for making multiple inexpensive copies of a document for ease of distribution. The card is typically… … Wikipedia
Punched card — Overpunch redirects here. For the code, see Signed overpunch. A punched card, punch card, IBM card, or Hollerith card is a piece of stiff paper that contains digital information represented by the presence or absence of holes in predefined… … Wikipedia
United States Postal Service — This article is about the government agency. For individual post offices, see U.S. Post Office (disambiguation). For the cycling team, see Discovery Channel Pro Cycling Team. USPS redirects here. For the non profit boating safety and education… … Wikipedia

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