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

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              it down into the Glaſs; and ſpeedily clo­
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              ſing it, we cauſ'd the Pumper to ply
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              his work, and obſerv'd that upon the ve­
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              ry firſt exſuction of the Air (though per­
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              haps not becauſe of that onely) the Fire
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              in the Coals began to grow very dim, and
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              though the agitation of the Veſſel did
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              make them ſwing up and down (which in
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              the free Air would have retarded the ex­
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              tinction of the Fire) yet when we could
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              no longer diſcern any redneſs at all in any
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              of them; caſting our eyes upon a Minute­
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              Watch we kept by us on this occaſion, we
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              found that from the beginning of the
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              Pumping (which might be about two mi­
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              nutes after the Coals had been put in
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              glowing) to the total diſ-appearing of
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              the Fire, there had paſſed but three mi­
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              nutes. </s>
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              Experi­
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              ment
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              11.</s>
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              <s>Whereupon, to try the Experiment a
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              little further, we preſently took out the
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              Coals, in which it ſeems there had re­
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              mained ſome little parcels of Fire, rather
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              cover'd then totally quench'd: For in the
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              open Air the Coals began to be re-kind­
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              led in ſeveral places, wherefore having by
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              ſwinging them about in the Wier,
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              throughly lighted them the ſecond time,
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              welet them down again into the Receiver, </s>
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