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    Re: Buying a sextant- a cautionary tale.
    From: George Huxtable
    Date: 2006 May 1, 01:07 +0100

    Alex wrote-
    | George,
    | In a previous message I suggested some alternative
    | to displacing the index method.
    | How large is the area on the arc that you cannot read?
    From 5 deg on the arc to 5  deg off the arc, the fine divisions were 
    completely gone. Between 5 and 10 on the arc, they could be
    read against the Vernier with great difficulty.
    Do take account of the fact that a sextant may be used to measure lunar 
    distances in the night, and small angles such as height of a
    lighthouse, for distance-off, in the daylight.
    contact George Huxtable at george@huxtable.u-net.com
    or at +44 1865 820222 (from UK, 01865 820222)
    or at 1 Sandy Lane, Southmoor, Abingdon, Oxon OX13 5HX, UK.

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