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="013/01/103.jpg" pagenum="63"/>
              ſtrong. </s>
              <s>Then having moderately empty­
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              ed the Receiver, and taken it out of the
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              Pump, we ſpeedily applyed to the Ori­
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              fice of the bottom of it the Neck of the
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              newly mention'd Glaſs, carefully ſtopping
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              the Crannys with melted Plaiſter, that no
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              Air might get in at them: And after
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              turning the Key of the Stop-cock, we
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              made a free paſſage for the Air to paſs out
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              of the bubble into the Receiver: which it
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              did with great celerity, leaving the bub­
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              ble as empty as the Receiver it ſelf; as ap­
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              pear'd to us by ſome Circumſtances not
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              now to be inſiſted on. </s>
              <s>Notwithſtanding
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              all which, the Veſſel, continuing as intire
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              as before, gave us cauſe to wonder that
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              the bare Roundneſs of the Figure ſhould
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              inable a Glaſs, almoſt as thin as Paper, to
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              reſiſt ſo great a preſſure as that of the
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              whole incumbent Atmoſphere. </s>
              <s>And ha­
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              ving reiterated the Experiment, we found
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              again that the preſſure of the ambient
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              Body, thruſting all the parts inwards,
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              made them, by reaſon of their arched Fi­
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              gure, ſo ſupport one another, that the
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              Glaſs remain'd as whole as at firſt. </s>
            </p>
            <p type="main">
              <s>Now that the Figure of the Glaſs is
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              of great moment in this matter, may be
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              evinced by this other Experiment. </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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