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

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              upon the Eſſence: Bottles, that we began
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              to diſpair of ſeeing either of them riſe, but
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              continuing to ply the Pump, that little
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              Glaſs, whoſe mouth was open'd, came to
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              the top of the Water, being, as it were,
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              boy'd up thither by a great number of
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              bubbles that had faſtned themſelves to
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              the ſides of it; ſwimming thus with the
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              mouth downward, we could eaſily per­
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              ceive that the internal Air above men­
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              tion'd had much delated it ſelf, and there­
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              by ſeem'd to have contributed to the e­
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              merging of the Glaſs, which remain'd
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              floating, notwithſtanding the breaking
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              and vaniſhing of moſt of the contiguous
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              bubbles: being hereby incouraged to per­
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              ſiſt in pumping, we obſerved with ſome
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              pleaſure, that at each time we turn'd the
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              Key, the Air in the little Glaſs did mani­
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              feſtly expand it ſelf and thruſt out the wa­
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              ter, generally retaining a very protuberant
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              ſurface where it was contiguous to the re­
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              maining Water. </s>
              <s>And when after divers
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              exſuctions of the Air in the Receiver,
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              that in the little Viol ſo dilated it ſelf as
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              to expel almoſt all the Water, it turn'd
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              up its mouth towards the ſurface of the
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              Water in the Jar, and there deliver'd a
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              large bubble, and then relapſed into its </s>
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