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="013/01/266.jpg" pagenum="236"/>
              employ'd to fill up the little Crannies left
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              betwixt them, were conſiderable in this
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              Experiment; by which may among other
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              things appear, that I did not without
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              cauſe in the above-nam'd Diſcourſe touch­
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              ing Fluidity and Firmneſs, aſcribe a great
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              force, ev'n to ſuch Pillars of Air as may
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              be ſuppoſ'd to begin at the top of the
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              Atmoſphere, and recoyling from the
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              ground to terminate on the Bodies on
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              which they preſs: ſince in the preſent Ex­
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              periment ſuch a weight was ſupported by
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              ſo ſlender a Cylinder of Air, rebounding
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              from the Earth to the Valve whereon it
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              did bear. </s>
            </p>
            <p type="main">
              <s>BUt in regard we have not yet been
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                <arrow.to.target n="marg41"/>
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              able to empty ſo great a Veſſel as our
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              Receiver, ſo well as we can the Cylinder
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              it ſelf; our Pump alone may afford us a
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              nobler inſtance of the fotce of the Air we
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              live in, inſomuch, that by help of this
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              part of our Engine, we may give a pretty
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              near gheſs at the ſtrength of the Atmo­
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              ſphere, computed as a weight. </s>
              <s>And the
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              way may be this; Firſt, the Sucker be­
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              ing brought to move eaſily up and down
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              the Cylinder, is to be impell'd to the top </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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