File:Pioneer Mark III Octant Patent.jpg: Revision history

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30 November 2010

  • curprev 22:0222:02, 30 November 2010‎ Rickerjones talk contribs‎ 288 bytes +288‎ Carbonara's 1934 patent of the Pioneer Mk III octant similar to the one used on the first attempt of the World Flight. The bubble chamber of this octant was difficult to adjust and the averager,which provided a mean of several observations over a few min
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