Boyle, Robert, New experiments physico-mechanicall, touching the spring of the air and its effects, 1660

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    <archimedes>
      <text>
        <body>
          <chap>
            <p type="main">
              <s>
                <pb xlink:href="013/01/280.jpg" pagenum="250"/>
              that in thoſe motions which are made
                <emph type="italics"/>
              ob­
                <lb/>
              fugamVacui
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              (as the common phraſe is) Bo­
                <lb/>
              dys act without ſuch generoſity & Con­
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              ſideration, as is wont to be aſcrib'd to
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              them, is apparent enough in our 32
                <emph type="sup"/>
              d
                <emph.end type="sup"/>
              Ex­
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              periment, where the torrent of Air, that
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              ſeem'd to ſtrive to get into the Empty'd
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              Receiver, did plainly prevent its own
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              Deſigne, by ſo impelling the Value, as
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              to make it ſhut the only Orifice the Air
                <lb/>
              was to get in at. </s>
              <s>And if afterwards ei­
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              ther Nature, or the internal Air, had a de­
                <lb/>
              ſigne the external Air ſhould be attra­
                <lb/>
              cted, they ſeem'd to proſecute very un­
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              wiſely by continuing to ſuck the Valve
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              ſo ſtrongly, when they found that by
                <lb/>
              that Sucction the Valve it ſelfe could not
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              be drawn in: Whereas by forbearing to
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              ſuck, the Valve would by it's own weight
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              have fall'n down, and ſuffer'd the exclu­
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              ded Air to returne freely, and to fill
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              again the exhauſted Veſſel. </s>
            </p>
            <p type="main">
              <s>And this minds me to take notice of
                <lb/>
              another deficiency, pointed at by our Ex­
                <lb/>
              periments in the common Doctrine of
                <lb/>
              thoſe Pleniſts we reaſon with; for many
                <lb/>
              of thoſe unuſual motions in Bodies, that
                <lb/>
              are ſayd to be made to eſcape a
                <emph type="italics"/>
              Vacuum,
                <emph.end type="italics"/>
                <lb/>
              ſeem rather made to fill it. </s>
              <s>For why, </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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