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

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              ſhip, in the firſt place, with the Hint I
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              had of the Engine I am to entertain you
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              of. </s>
              <s>You may be pleaſ'd to remember,
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              that a while before our ſeparation in
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              Eng­
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              land,
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              I told you of a Book that I had
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              heard of, but not peruſ'd, publiſh'd by
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              the induſtrious Jeſuit
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              Schottus,
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              wherein
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              'twas ſaid, He related how that ingenious
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              Gentleman
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              Otto Gericke,
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              Conſul of
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              Mag­
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              deburg,
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              had lately practiced in
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              Germany
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              a
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              way of emptying Glaſs Veſſels, by ſuck­
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              ing out the Ayr at the mouth of the Veſ­
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              ſel, plung'd under water: And you may
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              alſo perhaps remember, that I expreſſ'd
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              my ſelf much delighted with this Expe­
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              riment, ſince thereby the great force of
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              the external Air (either ruſhing in at the
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              open'd Orifice of the empty'd Veſſel, or
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              violently forcing up the Water into it)
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              was rendred more obvious and conſpicu­
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              ous, than in any Experiment that I had
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              formerly ſeen. </s>
              <s>And though it may appear
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              by ſome of thoſe Writings I ſometimes
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              fhew'd your Lordſhip, that I had been ſol­
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              licitous to try things upon the ſame
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              ground; yet in regard this Gentleman
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              was before-hand with me in producing
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              ſuch conſiderable effects, by means of the
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              exſuction of Air, I think my ſelf oblig'd </s>
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