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

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            <pb xlink:href="040/01/150.jpg" pagenum="132"/>
            <p type="main">
              <s>
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              </s>
            </p>
            <p type="margin">
              <s>
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                <emph type="italics"/>
              Many
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              ments, and
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              ſons againſt the
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              cauſe of the
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              on of projects,
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              ſigned by
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              Ariſtotle.</s>
            </p>
            <p type="main">
              <s>SALV. </s>
              <s>And was you ſo credulous, as to ſuffer your ſelf to be
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              perſwaded to believe theſe fopperies, ſo long as you had your
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              ſenſes about you to confute them, and to underſtand the
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              truth thereof? </s>
              <s>Therefore tell me, that great ſtone, and that
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              Canon bullet, which but onely laid upon a table, did continue
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              immoveable againſt the moſt impetuous winds, according as you a
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              little before did affirm, if it had been a ball of cork or other light
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              ſtuffe, think you that the wind would have removed it from its
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              place?</s>
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            <p type="main">
              <s>SIMP. Yes, and I am aſſured that it would have blown it
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              quite away, and with ſo much more velocity, by how much the
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              matter was lighter, for upon this reaſon we ſee the clouds to be
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              tranſported with a velocity equal to that of the wind that drives
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              them.</s>
            </p>
            <p type="main">
              <s>SALV. </s>
              <s>And what is the Wind?</s>
            </p>
            <p type="main">
              <s>SIMP. </s>
              <s>The Wind is defined to be nothing elſe but air moved.</s>
            </p>
            <p type="main">
              <s>SALV. </s>
              <s>Then the moved air doth carry light things more
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              ſwiftly, and to a greater diſtance, then it doth heavy.</s>
            </p>
            <p type="main">
              <s>SIMP. </s>
              <s>Yes certainly.</s>
            </p>
            <p type="main">
              <s>SALV. </s>
              <s>But if you were to throw with your arm a ſtone, and a
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              lock of cotton wool, which would move ſwiſteſt and fartheſt?</s>
            </p>
            <p type="main">
              <s>SIMP. </s>
              <s>The ſtone by much; nay the wool would fall at my
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              feet.</s>
            </p>
            <p type="main">
              <s>SALV. But, if that which moveth the projected ſubſtance,
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              ter it is delivered from the hand, be no other than the air moved
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              by the arm, and the moved air do more eaſily bear away light
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              than grave matters, how cometh it that the project of wool flieth
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              not farther, and ſwifter than that of ſtone? </s>
              <s>Certainly it
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              eth that the ſtone hath ſome other impulſe beſides the motion of
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              the air. </s>
              <s>Furthermore, if two ſtrings of equal length did hang
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              at yonder beam, and at the end of one there was faſtened a
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              let of lead, and a ball of cotton wool at the other, and both
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              were carried to an equal diſtance from the perpendicular, and
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              then let go; it is not to be doubted, but that both the one and
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              the other would move towards the perpendicular, and that being
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              carried by their own
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              impetus,
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              they would go a certain ſpace
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              yond it, and afterwards return thither again. </s>
              <s>But which of theſe
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              two pendent Globes do you think, would continue longeſt in
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              tion, before that it would come to reſt in its perpendicularity?</s>
            </p>
            <p type="main">
              <s>SIMP. </s>
              <s>The ball of lead would ſwing to and again many times,
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              and that of wool but two or three at the moſt.</s>
            </p>
            <p type="main">
              <s>SALV. </s>
              <s>So that that
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              impetus
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              and that
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              mobility
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              whatſoever is
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              the cauſe thereof, would conſerve its ſelf longer in grave
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              ſtances, than light; I proceed now to another particular, and
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              mand of you, why the air doth not carry away that Lemon
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              which is upon that ſame Table?</s>
            </p>
          </chap>
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