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    Re: lunars hard to shoot?
    From: Dan Allen
    Date: 2000 Sep 07, 6:34 PM

    I was lucky enough to find a few years ago a Fuji quintant circa 1900, and had 
    it restored recently.  It's scale is graduated to about 150 degrees.  I plan 
    to use it for some lunars one of these days...
    -----Original Message-----
    From  Navigation Mailing List
    [mailto:NAVIGATION-L@LISTSERV.WEBKAHUNA.COM]On Behalf Of George Huxtable
    Sent: Thursday, September 07, 2000 2:59 PM
    Subject: Re: lunars hard to shoot?
    >My response to Carl's interesting contribution is this-
    >The original quadrant (invented by Hadley and simultaneously by the
    >American Godfrey) was so named because it could measure an angle of a
    >quarter of a circle (90 degrees), which was insufficient for many lunar
    >measurements. The instrument was later known as an octant, because its
    >scale subtended an angle of an eighth of a circle (45 degrees), but this
    >was a change in name only. To allow a greater lunar distance to be
    >measured, the sextant was later developed (for angles in the sky up to 120
    >degrees) and then the quintant, as advocated by Lecky (angles to 144
    >George Huxtable
    George Huxtable, 1 Sandy Lane, Southmoor, Abingdon, Oxon OX13 5HX, UK.
    Tel. 01865 820222 or (int.) +44 1865 820222.

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