File:Dreisonstok Reduction Tables & Nautical Almanac.jpg: Revision history

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30 November 2010

  • curprev 20:3120:31, 30 November 2010‎ Rickerjones talk contribs‎ 269 bytes +269‎ Dreisonstok's sight reduction tables and the 1937 Nautical Almanac like those used by Noonan on the second attempt of the World Flight. The Dreisonstok tables were very compact, but required more arithmetical operations than some other available methods.
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