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    Re: LOP's without DR (so-called "Douwes's problem")
    From: Dave Walden
    Date: 2015 Feb 22, 20:02 -0800

    see page  124 of this 1735 work:

    Uranoscopia: or, The contemplation of the heavens. Being a demonstration of the equation of time. With the method of observing the solar ingresses into any point of the ecliptic ... The determination of the greatest elongation of Venus & Mercury from the sun. Of the mean motion of the earth ... Also, an explanation & demonstration of the Keplerian & Flamsteedian methods of computing the times, & principal appearances of solar eclipses ... (Google eBook)

    Front Cover
    Charles Leadbetter
    Printed for J. Wilcox, 1735 - Science - 590 pages
     
     
       
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