Inverting eye piece found on Nikumaroro: Revision history

1 January 2011

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13 October 2009

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21 February 2009

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20 February 2009

• curprev 05:1105:11, 20 February 2009‎ Moleski talk contribs‎ 2,070 bytes +2,070‎ New page: According to Peter Ifland, an inverting (or erecting) eyepiece is an attachment to a sextant that is often useful in taking sightings from an aircraft. "An inverting eyepiece would be at...