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    Re: Navigational instruments at the Naval Museum in Lisbon
    From: Gary LaPook
    Date: 2010 Feb 25, 15:51 -0800

    You're right, it is definitely not an Elton quadrant, see:

    http://en.wikipedia.org/wiki/Elton%27s_quadrant

    But the Portuguese label doesn't say that it is. I took the picture. I don't speak Portuguese but it is clear that the Portuguese portion part of the label doesn't contain the word "Elton" but does say "Quadrante De Davis," that sure looks like "Davis Quadrant" to me.
    gl
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