NavList thread: 10 inch Slide Rule vs. Pocket Calculator

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28 May 2009, 02:01 | Greg Rudzinski
28 May 2009, 02:42 | Hewitt Schlereth
28 May 2009, 09:48 | Gary LaPook
28 May 2009, 09:54 | Gary LaPook
29 May 2009, 02:20 | Greg Rudzinski