Bacon, Francis, Sylva sylvarum : or, a natural history in ten centuries

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        <div xml:id="echoid-div298" type="section" level="1" n="23">
          <pb o="60" file="0094" n="94" rhead="Natural Hiſtory;"/>
        </div>
        <div xml:id="echoid-div312" type="section" level="1" n="24">
          <head xml:id="echoid-head34" xml:space="preserve">Diſſent of Viſibles and Audibles.</head>
          <p>
            <s xml:id="echoid-s2746" xml:space="preserve">THe Species of Viſibles, ſeem to be Emißions of Beams ſrom the Object ſeen,
              <lb/>
              <note position="left" xlink:label="note-0094-01" xlink:href="note-0094-01a" xml:space="preserve">268.</note>
            almoſt like Odors, ſave that they are more incorporeal; </s>
            <s xml:id="echoid-s2747" xml:space="preserve">but the Species
              <lb/>
            of Audibles, ſeem to participate more with Local Motion, like Peroußions or Im-
              <lb/>
            preßions made upon the Air. </s>
            <s xml:id="echoid-s2748" xml:space="preserve">So that whereas all Bodies do ſeem to work in
              <lb/>
            two manners, Either by the Communication of their Natures, or by the Im
              <lb/>
            preßions and Signatures of their Motions. </s>
            <s xml:id="echoid-s2749" xml:space="preserve">The Diffuſion of Species Viſible,
              <lb/>
            ſeemeth to participate more of the ſormer Operation, and the Species Audible
              <lb/>
            of the latter.</s>
            <s xml:id="echoid-s2750" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s2751" xml:space="preserve">The Species of Audibles ſeem to be carried more maniſeſtly thorow the
              <lb/>
              <note position="left" xlink:label="note-0094-02" xlink:href="note-0094-02a" xml:space="preserve">269.</note>
            Air, than the Species of Viſibles: </s>
            <s xml:id="echoid-s2752" xml:space="preserve">For (I conceive) that a contrary ſtrong
              <lb/>
            Wind will not much hinder the fight of Viſibles, as it will do the hearing of
              <lb/>
            Sounds.</s>
            <s xml:id="echoid-s2753" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s2754" xml:space="preserve">There is one difference above all others, between Viſibles and Audibles,
              <lb/>
              <note position="left" xlink:label="note-0094-03" xlink:href="note-0094-03a" xml:space="preserve">270.</note>
            that is the moſt remarkable; </s>
            <s xml:id="echoid-s2755" xml:space="preserve">as that whereupon many ſmaller differences
              <lb/>
            do depend; </s>
            <s xml:id="echoid-s2756" xml:space="preserve">Namely, that Viſibles (except Lights) are carried in Right Lines,
              <lb/>
            and Audibles in Arcuate Lines. </s>
            <s xml:id="echoid-s2757" xml:space="preserve">Hence it cometh to paſs, that Viſibles do
              <lb/>
            not intermingle and confound one another, as hath been ſaid before, but
              <lb/>
            Sounds do. </s>
            <s xml:id="echoid-s2758" xml:space="preserve">Hence it cometh, that the ſolidity of Bodies doth not much
              <lb/>
            hinder the ſight, ſo that the Bodies be clear, and the Pores in a Right Line,
              <lb/>
            as in Glaſs, Cryſtal, Diamonds, Water, &</s>
            <s xml:id="echoid-s2759" xml:space="preserve">c. </s>
            <s xml:id="echoid-s2760" xml:space="preserve">But a thin Scarf or Handker-
              <lb/>
            chief, though they be Bodies nothing ſo ſolid, hinder the ſ
              <unsure/>
            ight: </s>
            <s xml:id="echoid-s2761" xml:space="preserve">Whereas
              <lb/>
            (contrariwiſe) theſe Porous Bodies do not much hinder the Hearing, but
              <lb/>
            ſolid Bodies do almoſt ſtop it, or at leaſt attenuate it. </s>
            <s xml:id="echoid-s2762" xml:space="preserve">Hence alſo it
              <lb/>
            cometh, that to the Reflexion of Viſibles, ſmall Glaſſes ſuffice, but to the
              <lb/>
            Reverberation of Audibles, are required greater ſpaces, as hath like wiſe been
              <lb/>
            ſaid before.</s>
            <s xml:id="echoid-s2763" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s2764" xml:space="preserve">Viſibles are ſeen further off, than Sounds are heard; </s>
            <s xml:id="echoid-s2765" xml:space="preserve">allowing neverthe-
              <lb/>
              <note position="left" xlink:label="note-0094-04" xlink:href="note-0094-04a" xml:space="preserve">271.</note>
            leſs the rate of their bigneſs: </s>
            <s xml:id="echoid-s2766" xml:space="preserve">For other wiſe, a great Sound will be heard
              <lb/>
            further off, than a ſmall Body ſeen.</s>
            <s xml:id="echoid-s2767" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s2768" xml:space="preserve">Viſibles require (generally) ſome diſtance between the object, and the
              <lb/>
              <note position="left" xlink:label="note-0094-05" xlink:href="note-0094-05a" xml:space="preserve">272.</note>
            Eye to be better ſeen; </s>
            <s xml:id="echoid-s2769" xml:space="preserve">whereas in Audibles, the nearer the approach of the
              <lb/>
            Sound is to the Senſe the better; </s>
            <s xml:id="echoid-s2770" xml:space="preserve">but in this, there may be a double error.
              <lb/>
            </s>
            <s xml:id="echoid-s2771" xml:space="preserve">The one, becauſe to Seeing there is required Light, and any thing that touch-
              <lb/>
            eth the Pupil of the Eye (@ll over) excludeth the Light. </s>
            <s xml:id="echoid-s2772" xml:space="preserve">For I have heard
              <lb/>
            of a perſon very credible, (who himſelf was cured of a Cataract in one of
              <lb/>
            his Eyes) that while the Silver-needle did work upon the ſight of his Eye, to
              <lb/>
            remove the Film of the Cataract, he never ſaw any thing more clear or per-
              <lb/>
            fect, than that white Needle: </s>
            <s xml:id="echoid-s2773" xml:space="preserve">Which (no doubt) was, becauſe the Needle
              <lb/>
            was leſſer than the Pupil of the Eye, and ſo took not the light from it. </s>
            <s xml:id="echoid-s2774" xml:space="preserve">The
              <lb/>
            other error may be, For that the object of Sight doth ſtrike upon the Pupil
              <lb/>
            of the Eye, directly without any interception; </s>
            <s xml:id="echoid-s2775" xml:space="preserve">whereas the Cave of the Ear
              <lb/>
            doth hold off the Sound a little from the Organ: </s>
            <s xml:id="echoid-s2776" xml:space="preserve">And ſo nevertheleſs th@re
              <unsure/>
              <lb/>
            is ſome diſtance required in both.</s>
            <s xml:id="echoid-s2777" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s2778" xml:space="preserve">Viſibles are ſwifter carried to the Senſe, than Audibles; </s>
            <s xml:id="echoid-s2779" xml:space="preserve">as appeareth in
              <lb/>
              <note position="left" xlink:label="note-0094-06" xlink:href="note-0094-06a" xml:space="preserve">273.</note>
            Thunder and Lightning; </s>
            <s xml:id="echoid-s2780" xml:space="preserve">Flame, and Report of a Piece; </s>
            <s xml:id="echoid-s2781" xml:space="preserve">Motion of the
              <lb/>
            Air, in hewing of Wood. </s>
            <s xml:id="echoid-s2782" xml:space="preserve">All which have been ſet down heretofore, but
              <lb/>
            are proper for this Title.</s>
            <s xml:id="echoid-s2783" xml:space="preserve"/>
          </p>
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