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    Re: Sextant on ebay
    From: Herbert Prinz
    Date: 2006 Sep 5, 23:31 -0500

    Red wrote:

    >  "it is not often that you see a polished metal sextant. " Probably
    > because it is greatly impractical. In the noon sunlight, it would burn
    > your hands (bare metal) and blind you from glare spots.


    Why would a highly reflectent polished surface get hotter than one that
    is painted black? In fact, Plath tried to find a compromise between
    reducing heat absorption and avoiding glare spots with a model that was
    painted white.

    Herbert Prinz

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