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

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                <pb xlink:href="013/01/138.jpg" pagenum="108"/>
              the other, fill'd with Quick-ſilver, care
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              being taken in the filling, that as few
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              bubles as was poſſible ſhould be left in the
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              Mercury: Then the Tube being ſtopt
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              with the Finger and inverted, was open'd,
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              according to the manner of the Experi­
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              ment, into a ſomewhat long and ſlender
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              Cylindrical Box (inſtead of which we now
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              are wont to uſe a Glaſs of the ſame form)
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              half fill'd with Quick-ſilver: And ſo, the
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              liquid metal being ſuffered to ſubſide, and
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              a piece of Paper being paſted on levell
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              with its upper ſurface, the Box and Tube
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              and all were by ſtrings carefully let down
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              into the Receiver, and then, by means of
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              the hole formerly mention'd to be left in
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              the Cover, the ſaid Cover was ſlip't along
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              as much of the Tube as reach'd above the
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              top of the Receiver; And the Interval,
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              left betwixt the ſides of the Hole and
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              thoſe of the Tube, was very exquiſitely
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              fill'd up with melted (but not over hot)
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              Diachylon; and the round chink, betwixt
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              the Cover and the Receiver, was likewiſe
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              very carefully cloſ'd up: Upon which clo­
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              ſure there appear'd not any change in the
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              height of the Mercurial Cylinder; no
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              more, then if the interpoſ'd Glaſs Recei­
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              ver did not hinder the immediate preſſure </s>
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          </chap>
        </body>
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