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    Re: A tour of the Great Navigation Centers of the World
    From: Alexandre Eremenko
    Date: 2017 Apr 23, 07:57 +0000

    When visiting Greenwich, 
    you may stop in nearby city of London, and visit the Science Museum 
    (Exhibition rd, S. Kensington SW7 2DD).
    They have several early dividing engines on display.
    (The very first one belongs to Smithsonian, but it is not on display.
    I've seen it once when it was on exhibition of "Mathematical instruments"
    in London). But London museum has several other similar ones.
    They also have many old sextants, octants, astrolabias etc. on a permanent display.
    From: NavList@fer3.com [NavList@fer3.com] on behalf of Doug MacPherson [NoReply_MacPherson@fer3.com]
    Sent: Saturday, April 22, 2017 11:13 PM
    To: eremenko@math.purdue.edu
    Subject: [NavList] A tour of the Great Navigation Centers of the World
    I would propose a world tour of the great historic/present Navigation Centers 
    of the World.  Where would you have me go.
    For example there is Greenwich England, home of the Prime Meridian, the Royal 
    Observatory, Harrison's H-5 etc.
    Where else would you have me journey and why? Recenlty retired, I have time on 
    my hands......no pun intended.
    Doug MacPherson
    38-34.3 N, 121-28.5 W
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