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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              what eaſe a
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              Vacuum
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              could be made near
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              the confines of the Atmoſphere, where
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              the Air is probably but light in compari­
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              ſon of what it is here below. </s>
              <s>But our
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              preſent (three and thirtieth) Experiment
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              ſeems to manifeſt, not onely that the
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              power, exerciſ'd by Nature, to ſhun or re­
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              pleniſh a
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              Vacuum,
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              is limited, but that it
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              may be determin'd even to Pounds and
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              Ounces: Inſomuch that we might ſay,
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              ſuch a weight Nature will ſuſtain or will
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              lift up to reſiſt a
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              Vacuum
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              in our Engine;
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              but if an Ounce more be added to that
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              weight, it will ſurmount Her ſo much
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              magnifi'd deteſtation of Vacuities. </s>
              <s>And
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              thus, My Lord, our Experiments may
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              not onely anſwer thoſe of the Pleniſts,
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              but enable us to retort their Arguments
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              againſt themſelves: ſince, if that be true
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              which they alleadge, that, when Water
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              falls not down according to its nature, in
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              a Body wherein no Air can ſucceed to fill
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              up the place it muſt leave, the ſuſpenſi­
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              on of the Liquor is made
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              Ne detur Vacu­
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              um,
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              (as they ſpeak) it will follow, that
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              if the Water can be brought to ſubſide
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              in ſuch a caſe, that deſerted ſpace may be
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              deem'd empty, according to their own
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              Doctrine; eſpecially, ſince Nature (as </s>
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