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    Re: Another movie sextant
    From: Don Seltzer
    Date: 2015 May 25, 11:36 -0400

    On Mon, May 25, 2015 at 11:11 AM, David Pike  wrote:
    > Would you call that a "crow's nest" or a "top", and would it be the best
    > place to take a sight?  You'd get a better view of the horizon, but the
    > "dip" correction would be greater.  Also, you'd be moving around more than
    > on the quarter deck.
    Today's Disney Pop culture might call it a crow's nest, but
    historically it was a top, probably of the 16th or 17th century.  The
    clothing, on the other hand, seems more 18th century.
    A real crow's nest was an invention of the whaling fleet, and was more
    of a hoop structure and a foot rest to secure a lookout spending many
    hours aloft.
    One reason for using a sextant aloft rather than from a more stable
    deck might be as a distance measuring tool, such as viewing the angle
    subtended by a the height of a distant mast from the waterline.
    Don Seltzer

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