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    Re: Daytime Venus Rising Dip Short
    From: Gary LaPook
    Date: 2012 May 6, 02:16 -0700
    Here is a picture of three Kollsman sextants, MA-1, MA-2 and periscopic.

    gl

    --- On Sun, 5/6/12, Geoffrey Kolbe <geoffreykolbe---.com> wrote:

    From: Geoffrey Kolbe <geoffreykolbe---.com>
    Subject: [NavList] Re: Daytime Venus Rising Dip Short
    To: NavList@fer3.com
    Date: Sunday, May 6, 2012, 12:22 AM

    At 05:59 06/05/2012, GL wrote:
    > I have attached two photos. IMG 8895 is a view through the Kollsman periscopic sextant and 8887 is a view through my Pioneer A-7.


    Why do these instruments have cross hairs Gary?

    Geoffrey




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