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

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            <pb xlink:href="013/01/257.jpg" pagenum="227"/>
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              <s>
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              Experi­
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              ment
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              30.</s>
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              <s>All which being added to the late Ex­
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              periment of the ſmoking Liquor, and
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              to what may be from that which has been
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              elſewhere ſayd, gather'd to the ſame pur­
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              poſe, will, I hope, keep it at leaſt from ap­
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              pearing abſur'd: If ſince we ſee that there
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              is ſo great an inequality in the denſity and
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              weight of Liquors, that water is neere 14
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              times thinner or lighter than Quick-ſilver
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              of the ſame bulk, and well dephlegm'd;
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              Spirit of Wine yet much lighter than wa­
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              ter; we venter to ſpeak ſometimes of the
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              Atmoſphere, as if it were a peculiar kind
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              of thin and halituous Liquor (if I may ſo
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              call it) much lighter than Spirit of Wine. </s>
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              <s>To theſe things I know not whether it
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              will be requiſite to add, that as we late­
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              ly took notice of conſpicuous waves that
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              appear'd upon the
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              ſuperficies
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              of our agi­
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              tated ſmoke. </s>
              <s>So ſome ſuch thing may
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              not abſurdly be conjectur'd to happen
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              on the
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              ſuperficies
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              of the Atmoſphere,
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              by thoſe ſtrange ruggedneſſes that ap­
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              peare (eſpecially in the Spring and Fall,
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              when exhalations and vapours are wont to
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              aſcend moſt plentifully) upon the Limb
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              or Edge of the Riſing and Setting Sun. </s>
              <s>I
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              ſpeake thus diffidently upon this occaſion
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              becauſe I know that by the Fluctuation or </s>
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