Boyle, Robert, New experiments physico-mechanicall, touching the spring of the air and its effects, 1660
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              was ſubſided, upon the readmiſſion of the
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              external Air to preſs againſt the convex
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              ſurface of the Egge, the Water was pre­
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              ſently re-impell'd to its former height:
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              Which would perhaps appear leſs ſtrange
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              to Your Lordſhip, if You had yet ſeen
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              what we have heretofore taught in ano­
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              ther Treatiſe concerning the Spring that
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              may be diſcover'd in Glaſs, as rigid and
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              inflexible a Body as it is generally e­
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              ſteem'd. </s>
              <s>And in the mean while it may
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              ſerve the turn to cauſe a Glaſs Egge to be
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              blown exceeding thin, and then, having
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              broken it, try how far you can by degrees
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              bend ſome narrow parts of it; and how
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              readily, upon the removal of what kept
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              it bent, it will reſtore it ſelf to its former
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              ſtate or poſture. </s>
              <s>But to return to our
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              Experiment, From thence it ſeems pro­
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              bable, either that there ſucceeds no Bo­
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              dy in the room of the Air drawn out of
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              our Receiver, or that it is not every Mat­
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              ter that is ſubtle enough readily to paſs
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              through the Pores of Glaſs, that is al­
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              ways agitated enough to produce Heat
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              where ever it is plentifully found. </s>
              <s>So that
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              if no
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              Vacuum
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              be to be admitted, this Ex­
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              periment ſeems to invite us to allow a
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              great diſparity, either as to bulk, or as to </s>
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