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

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              <s>
                <pb xlink:href="013/01/293.jpg" pagenum="263"/>
              were deſirous to try whether or no the
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              preſſure of the Air might reaſonably be
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              ſuppoſ'd to have either the principal, or at
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              leaſt a conſiderable Intereſt in the raiſing
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              of thoſe Liquors. </s>
              <s>But becauſe we found
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              that we could not yet ſo evacuate our Re­
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              ceiver, but that the remaining Air,
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              though but little in compariſon of the
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              exhauſted, would be able to impell the
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              the Water to a greater height then is
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              uſual in ordinary Filtrations: we reſolved,
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              inſtead of a Liſt of Cotton, or the like
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              Filtre, to make uſe of a
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              Siphon
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              of Glaſs,
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              delineated in the third Figure, conſiſt­
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              ing of three pieces, two ſtraight, and
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              the third crooked to joyn them toge­
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              ther; whoſe Junctures were diligently
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              cloſ'd, that no Air might finde entrance
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              at them. </s>
              <s>One of the Legs of this
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              Si­
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              phon
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              was (as it ſhould be) ſomewhat
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              longer then the other, and was pervious
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              at the bottom of it onely, by a hole al­
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              moſt as ſlender as a hair, that the
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              Water might but very leaſurely drop
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              out of it, leſt it ſhould all run out
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              before the Experiment were compleat­
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              ed. </s>
              <s>The other and ſhorter Leg of
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              the
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              Siphon
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              was quite open at the end,
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              and of the ſame wideneſſe with the </s>
            </p>
          </chap>
        </body>
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