Welcome to the NavList Message Boards.

NavList:

A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding

Compose Your Message

Message:αβγ
Message:abc
Add Images & Files
    or...
       
    Reply
    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...
    
    Dan
    
    -----Original Message-----
    From  Navigation Mailing List
    [mailto:NAVIGATION-L{at}LISTSERV.WEBKAHUNA.COM]On Behalf Of George Huxtable
    Sent: Thursday, September 07, 2000 2:59 PM
    To: NAVIGATION-L{at}LISTSERV.WEBKAHUNA.COM
    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
    >degrees)
    
    >George Huxtable
    
    ------------------------------
    george---.u-net.com
    George Huxtable, 1 Sandy Lane, Southmoor, Abingdon, Oxon OX13 5HX, UK.
    Tel. 01865 820222 or (int.) +44 1865 820222.
    ------------------------------
    

       
    Reply
    Browse Files

    Drop Files

    NavList

    What is NavList?

    Join NavList

    Name:
    (please, no nicknames or handles)
    Email:
    Do you want to receive all group messages by email?
    Yes No

    You can also join by posting. Your first on-topic post automatically makes you a member.

    Posting Code

    Enter the email address associated with your NavList messages. Your posting code will be emailed to you immediately.
    Email:

    Email Settings

    Posting Code:

    Custom Index

    Subject:
    Author:
    Start date: (yyyymm dd)
    End date: (yyyymm dd)

    Visit this site
    Visit this site
    Visit this site
    Visit this site
    Visit this site
    Visit this site