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="013/01/335.jpg" pagenum="305"/>
              produc'd upon tryals purpoſely made
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              to examine the validity of the conjectures,
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              other tryals had ſuggeſted. </s>
            </p>
            <p type="main">
              <s>Firſt then we obſerv'd, that the Appa­
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              rition of Light may be made as well by
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              Candle-light, as by Day-light; and in
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              whatever poſition the Candle be held, in
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              reference to the Receiver, as on this or
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              that hand of it, above it, beneath it, or
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              any other way, provided the Beams of
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              Light be not hinder'd from falling upon
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              the Veſſel. </s>
            </p>
            <p type="main">
              <s>Next, we noted that the flaſh appears
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              immediately upon the turning of the
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              Key, to let the Air out of the Receiver
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              into the empty'd Cylinder, in ſo much
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              that I remember not that when at any
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              time in our great Receiver, the Stop-cock
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              was open'd before the Cylinder was ex­
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              hauſted (whereby it came to paſs that the
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              Air did rather deſcend, then ruſh into the
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              Cylinder) the often mention'd flaſh ap­
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              pear'd to our eyes. </s>
            </p>
            <p type="main">
              <s>Yet, we further obſerv'd, that when in­
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              ſtead of the great Receiver we made uſe
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              of a ſmall Glaſs, not containing above a
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              pound and a half of Water, the
                <emph type="italics"/>
              Phæno­
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              menon
                <emph.end type="italics"/>
              might be exhibited though the
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              Stop-cock were open, provided the </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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