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Otis King's Patent Calculator

  Link Details for: Otis King's Patent Calculator
Link Title: Otis King's Patent Calculator Open in a new window
Link URL: http://www.svpal.org/~dickel/OK/OtisKing.html
Link Details: Probably the most complete collection of Otis King's Patent Calculator (cylindrical slide rule) information on-line.
Category: Top : Recreation : Antiques : Medical_and_Scientific : Slide_Rules
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Otis King's Patent Calculator