Galilei, Galileo, Discourse concerning the natation of bodies, 1663

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      <text>
        <body>
          <chap>
            <p type="main">
              <s>
                <pb pagenum="439"/>
              nature apt to deſcend to the Bottom, being placed lightly on the water
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              ſubmerge not, unleſs they be firſt thorowly bathed; and have found,
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              that one of theſe Bodies having deſcended to the Bottom, by
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              ing to it (without touching it in the leaſt) a little Air, which conjoyneth
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              with the top of the ſame; it becometh ſufficient, not only, as before to
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              ſuſtain it, but alſo to raiſe it, and to carry it back to the top, where it
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              ſtays and abideth in the ſame manner, till ſuch time, as the aſſiſtance
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              of the conjoyned Air is taken away. </s>
              <s>And to this effect, I have taken a
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              Ball of Wax, and made it with a little Lead, ſo grave, that it leaſurely
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              deſcends to the Bottom, making with all its Superficies very ſmooth and
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              pollite: and this being put gently into the water, almoſt wholly
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                <arrow.to.target n="marg1483"/>
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              mergeth, there remaining viſſible only a little of the very top, the which
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              solong as it is conjoyned with the Air, ſhall retain the Ball a-top, but
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              the Contiguity of the Air taken away by wetting it, it ſhall deſcend to
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              the Bottom and there remain. </s>
              <s>Now to make it by vertue of the Air, that
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              before ſuſtained it to return again to the top, and ſtay there, thruſt into
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              the water a Glaſs reverſed with the mouth downwards, the which ſhall
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              carry with it the Air it contains, and move this towards the Ball, abaſing
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              it till ſuch time that you ſee, by the tranſparency of the Glaſs, that the
                <lb/>
                <arrow.to.target n="marg1484"/>
                <lb/>
              contained Air do arrive to the ſummity of the
                <emph type="italics"/>
              B
                <emph.end type="italics"/>
              all: then gently
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              draw the Glaſs upwards, and you ſhall ſee the
                <emph type="italics"/>
              B
                <emph.end type="italics"/>
              all to riſe, and afterwards
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                <arrow.to.target n="marg1485"/>
                <lb/>
              stay on the top of the water, if you carefully part the Glaſs and the water
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              without overmuch commoving and diſturbing it. </s>
              <s>There is, therefore, a
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              certain affinity between the Air and other
                <emph type="italics"/>
              B
                <emph.end type="italics"/>
              odies, which holds them
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              ed, ſo, that they ſeperate not without a kind of violence. </s>
              <s>The ſame
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                <arrow.to.target n="marg1486"/>
                <lb/>
              likewiſe is ſeen in the water; for if we ſhall wholly ſubmerge ſome
                <emph type="italics"/>
              B
                <emph.end type="italics"/>
              ody
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              in it, ſo that it be thorowly bathed, in the drawing of it afterwards
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              ly out again, we ſhall ſee the water follow it, and riſe notably above its
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              Surface, before it ſeperates from it. </s>
              <s>Solid
                <emph type="italics"/>
              B
                <emph.end type="italics"/>
              odies, alſo, if they be equall
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                <arrow.to.target n="marg1487"/>
                <lb/>
              and alike in Superficies, ſo, that they make an exact Contact without
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              the interpoſition of the leaſt Air, that may part them in the ſeperation
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              and yield untill that the ambient
                <emph type="italics"/>
              Medium
                <emph.end type="italics"/>
              ſucceeds to repleniſh the place,
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              do hold very firmly conjoyned, and are not to be ſeperated without great
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              force but, becauſe, the Air, Water, and other Liquids, very
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              tiouſly ſhape themſelves to contact with any Solid
                <emph type="italics"/>
              B
                <emph.end type="italics"/>
              odies, ſo that their
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              Superficies do exquiſitely adopt themſelves to that of the Solids, without
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              any thing remaining between them, therefore, the effect of this
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              junction and Adherence is more manifeſtly and frequently obſerved in
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              them, than in hard and inflexible
                <emph type="italics"/>
              B
                <emph.end type="italics"/>
              odies, whoſe Superficies do very
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              ly conjoyn with exactneſs of Contact. </s>
              <s>This is therefore that
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                <arrow.to.target n="marg1488"/>
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              tick vertue, which with firm Connection conjoyneth all Bodies, that do
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              touch without the interpoſition of flexible fluids; and, who knows, but
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              that that a Contact, when it is very exact, may be a ſufficient Cauſe of
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              the Union and Continuity of the parts of a naturall
                <emph type="italics"/>
              B
                <emph.end type="italics"/>
              ody?</s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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