Galilei, Galileo, The systems of the world, 1661

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    <archimedes>
      <text>
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              <s>
                <pb xlink:href="065/01/370.jpg" pagenum="360"/>
              circle that is the Terminator of the light; therefore this ſame
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              circle ſhall paſſe by the Poles A B in the fourth figure, and
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              in its plain the Axis A B ſhall fall, but the greateſt circle paſſing
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              by the Poles of the Parallels, divideth them all in equal parts;
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              therefore the arches I K, E F, C D, G N, L M, ſhall be all
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              ſemicircles, and the illumin'd Hemiſphere ſhall be this which
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              looketh towards us, and the Sun, and the Terminator of the
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              light ſhall be one and the ſame circle A C B D, and the Earth
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              being in this place ſhall make it Equinoctial to all its Inhabitants.
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              </s>
              <s>And the ſame happeneth in the ſecond figure, where the Earth
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              having its illuminated Hemiſphere towards the Sun, ſheweth us
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              the other that is obſcure, with its nocturnal arches, which in
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              like manner are all ſemicircles, and conſequently, here alſo it
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              maketh the Equinoctial. </s>
              <s>And laſtly in regard that the line
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              duced from the centre of the Sun to the centre of the Earth, is
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              perpendicular to the Axis A B, to which the greateſt circle of
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              the parallels C D, is likewiſe erect, the ſaid line O
                <emph type="italics"/>
              Libra
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              ſhall
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              paſſe of neceſſity by the ſame Plain of the parallel C D, cutting
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              its circumference in the midſt of the diurnal arch C D; and
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              therefore the Snn ſhall be vertical to any one that ſhall ſtand
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              where that interſection is made; but all the Inhabitants of that
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              Parallel ſhall paſſe the ſame, as being carried about by the
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              Earths diurnal converſion; therefore all theſ upon that day
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              ſhall have the Meridian Sun in their vertex. </s>
              <s>And the Sun at the
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              ſame time to all the Inhabitants of the Earth ſhall ſeem to
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              ſcribe the Grand Parallel called the Equinoctial. </s>
              <s>Furthermore,
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              foraſmuch as the Earth being in both the Solſtitial points of the
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              Polar circles I K and L M, the one is wholly in the light, and
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              the other wholly in the dark; but when the Earth is in the
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              noctial points, the halves of thoſe ſame polar circles are in the
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              light, the remainder of them being in the dark; it ſhould not
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              be hard to underſtand, how that the Earth
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              v. </s>
              <s>gr.
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              from
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              Cancer
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              (where the parallel I K is wholly in the dark) to
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              Leo,
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              one part of
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              the parallel towards the point I, beginneth to enter into the light,
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              and that the Terminator of the light I M beginneth to retreat
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              wards the Pole AB, interſecting the circle ACBD nolonger in IM,
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              but in two other points falling between the terms I A and MB, of
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              the arches IA and M B; whereupon the Inhabitants of the circle
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              begin to enjoy the light, and the other Inhabitants of the circle
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              L M to partake of night. </s>
              <s>And thus you ſee that by two ſimple
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              motions made in times proportionate to their bigneſſes, and not
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              contrary to one another, but performed, as all others that
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              long to moveable mundane bodies, from Weſt to Eaſt aſſigned
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              to the Terreſtrial Globe, adequate reaſons are rendred of all
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              thoſe
                <emph type="italics"/>
              Phænomena
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              or appearances, for the accommodating of </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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