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    Re: Sextant used on Graf Zeppelin
    From: George Huxtable
    Date: 2010 Feb 13, 20:43 -0000

    Geoffrey Kolbe asked-
    |I have just been watching a documentary about the flight of the Graf
    | Zeppelin around the world in 1929. I managed to capture this image
    | http://www.pisces-press.com/images/sextant_on_Graf_Zeppelin.jpg of a
    | sight being taken from the wheelhouse of the ship. I would welcome an
    | identification of the sextant. It looks like a marine sextant with a
    | bubble attachment.
    Not a bubble. It's a "System Gago Continho" sextand, with two spirit levels
    to show when it's horizontal in both planes. The rights belonged to the
    Portuguese navy, who licenced Plath to produce it; hence the familiar shape
    of the Plath frame.
    It can be found in figs 171 and 172 of Peter Ifland's excellent "Taking the
    Stars", with an explanation from page 161. On request, I will scan and send
    images. Ifland states that it was taken on the Graf Zeppelin
    contact George Huxtable, at  george@hux.me.uk
    or at +44 1865 820222 (from UK, 01865 820222)
    or at 1 Sandy Lane, Southmoor, Abingdon, Oxon OX13 5HX, UK.

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