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="013/01/070.jpg" pagenum="30"/>
              ſince we are informed, that in the
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              German
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              Experiment, commended at the begin­
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              ning of this Letter, the Ingenious Tryers
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              of it found, That their Glaſs Veſſel, of
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              the capacity of 32 meaſures, was lighter
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              when the Air had been drawn out of it,
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              then before, by no leſs then one ounce
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              and (3/10) that is, an ounce and very near a
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              third: But of the gravity of the Air, we
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              may elſewhere have occaſion to make fur­
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              ther mention. </s>
            </p>
            <p type="main">
              <s>Taking it then for granted that the Air
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              is not deyoid of weight, it will not be
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              uneaſie to conceive, that that part of the
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              Atmoſphere wherein we live, being the
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              lower part of it, the Corpuſcles that com­
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              poſe it, are very much compreſſ'd by the
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              weight of all thoſe of the like nature that
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              are directly over them, that is, of all the
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              Particles of Air, that being pil'd up up­
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              on them, reach to the top of the Atmoſ­
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              phere. </s>
              <s>And though the height of this
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              Atmoſphere, according to the famous
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                <emph type="italics"/>
              Kepler,
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              and ſome others, ſcarce exceeds
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              eight common miles; yet other eminent
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              and later Aſtronomers, would promote
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              the confines of the Atmoſphere, to ex­
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              ceed ſix or ſeven times that number of
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              miles. </s>
              <s>And the diligent and learned </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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