Salusbury, Thomas, Mathematical collections and translations (Tome I), 1667

Page concordance

< >
Scan Original
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
< >
page |< < of 701 > >|
    <archimedes>
      <text>
        <body>
          <chap>
            <p type="main">
              <s>
                <pb xlink:href="040/01/404.jpg" pagenum="382"/>
              motions, by making them different in the times of the
                <lb/>
              ſtices, as to greatneſſe, from what they are in the Equinoxes.</s>
            </p>
            <p type="main">
              <s>We will ſpeak (in the firſt place, of the diurnal motion, as
                <lb/>
              being the principal, and upon which the Moon and Sun ſeem to
                <lb/>
              exerciſe their power ſecondarily, in their monethly and annual </s>
            </p>
            <p type="main">
              <s>
                <arrow.to.target n="marg731"/>
                <lb/>
              alterations. </s>
              <s>Three differences are obſervable in theſe horary
                <lb/>
              mutations; for in ſome places the waters riſe and fall, without
                <lb/>
              making any progreſſive motion; in others, without riſing or
                <lb/>
              ling they run one while towards the Eaſt, and recur another
                <lb/>
              while towards the Weſt; and in others they vary the heights
                <lb/>
              and courſe alſo, as happeneth here in
                <emph type="italics"/>
              Venice,
                <emph.end type="italics"/>
              where the Tides in
                <lb/>
              coming in riſe, and in going out fall; and this they do in the
                <lb/>
              termities of the lengths of Gulphs that diſtend from Weſt to
                <lb/>
              Eaſt, and terminate in open ſhores, up along which ſhores the
                <lb/>
              Tide at time of flood hath room to extend it ſelf: but if the
                <lb/>
              courfe of the Tide were iutercepted by Cliffes and Banks of
                <lb/>
              great height and ſteepneſſe, there it will flow and ebbe without
                <lb/>
              any progreſſive motion. </s>
              <s>Again, it runs to and again, without
                <lb/>
              changing height in the middle parts of the Mediterrane, as
                <lb/>
                <arrow.to.target n="marg732"/>
                <lb/>
              bly happeneth in the ^{*}
                <emph type="italics"/>
              Faro de Meſſina,
                <emph.end type="italics"/>
              between
                <emph type="italics"/>
              Scylla
                <emph.end type="italics"/>
              and
                <emph type="italics"/>
                <lb/>
              rybdis,
                <emph.end type="italics"/>
              where the Currents, by reaſon of the narrowneſſe of
                <lb/>
              the Channel, are very ſwift; but in the more open Seas, and
                <lb/>
              about the Iſles that ſtand farther into the Mediterranean Sea, as
                <lb/>
                <arrow.to.target n="marg733"/>
                <lb/>
              the
                <emph type="italics"/>
              Baleares, Corſica, Sardignia, ^{*} Elba, Sicily
                <emph.end type="italics"/>
              towards the
                <emph type="italics"/>
              Affrican
                <emph.end type="italics"/>
                <lb/>
                <arrow.to.target n="marg734"/>
                <lb/>
              Coaſts,
                <emph type="italics"/>
              Malta, ^{*} Candia, &c.
                <emph.end type="italics"/>
              the changes of watermark are
                <lb/>
              very ſmall; but the currents indeed are very notable, and
                <lb/>
              cially when the Sea is pent between Iſlands, or between them
                <lb/>
              and the Continent.</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg731"/>
                <emph type="italics"/>
              Varieties that
                <lb/>
              happen in the
                <lb/>
              nal period.
                <emph.end type="italics"/>
              </s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg732"/>
              * A Strait, ſo
                <lb/>
              called.</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg733"/>
              * Or Ilva.</s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg734"/>
              * Or Creta.</s>
            </p>
            <p type="main">
              <s>Now theſe onely true and certain effects, were there no more
                <lb/>
              to be obſerved, do, in my judgment, very probably perſwade
                <lb/>
              any man, that will contain himſelf within the bounds of
                <lb/>
              ral cauſes, to grant the mobility of the Earth: for to make the
                <lb/>
              veſſel (as it may be called) of the Mediterrane ſtand ſtill, and to
                <lb/>
              make the water contained therein to do, as it doth, exceeds my
                <lb/>
              imagination, and perhaps every mans elſe, who will but pierce
                <lb/>
              beyond the rinde in theſe kind of inquiries.</s>
            </p>
            <p type="main">
              <s>SIMP. </s>
              <s>Theſe accidents,
                <emph type="italics"/>
              Salviatus,
                <emph.end type="italics"/>
              begin not now, they are
                <lb/>
              moſt ancient, and have been obſerved by very many, and ſeveral
                <lb/>
              have attempted to aſſigne, ſome one, ſome another cauſe for the
                <lb/>
              ſame: and there dwelleth not many miles from hence a famous
                <lb/>
              Peripatetick, that alledgeth a cauſe for the ſame newly fiſhed out
                <lb/>
                <arrow.to.target n="marg735"/>
                <lb/>
              of a certain Text of
                <emph type="italics"/>
              Ariſtotle,
                <emph.end type="italics"/>
              not well underſtood by his
                <lb/>
              poſitors, from which Text he collecteth, that the true cauſe of
                <lb/>
              theſe motions doth only proceed from the different profundities
                <lb/>
              of Seas: for that the waters of greateſt depth being greater in </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
Impressum