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

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              <s>
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              ned and diligent
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              Ricciolus,
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              having pur­
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              poſely endeavoured to inveſtigate this
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              proportion by meanes of a thin blad­
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              der, eſtimates the weight of the Air to
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              that of the Water to be as one to ten
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              thouſand, or thereabouts. </s>
              <s>And indeed I re­
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              member that having formerly, on a cer­
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              tain occaſion, weighed a large bladder full
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              of Air, and found it when the Air was all
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              ſqueeſed out, to have contained fourteen
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              graines of Air. </s>
              <s>I found the ſame bladder
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              afterwards fill'd with water to containe
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              very neer 14. pound of that liquor: accor­
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              ding to which account, the proportion of
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              Air to Water was almoſt as a graine to a
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              pound, that is, as one to above 7600. To
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              this we may adde, that on the other ſide,
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              Galileo
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              himſelfe uſing another, but an un­
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              accurate way too, defined the Air to be
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              in weight to Water, but as one to 4. hun­
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              dred. </s>
              <s>But the way formerly propoſed of
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              weighing the Air by an Æ
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              olipile,
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              ſeemes
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              by great oddes more exact; and (as farre
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              as we could gheſſe) ſeemed to agree well
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              enough with the experiment made in our
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              Receiver. </s>
              <s>Wherefore it will be beſt to
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              truſt our Æ
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              olipile
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              in the enquiry we are a­
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              bout, and according to our obſervations
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              the water it contained amounting to one </s>
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