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

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                <pb xlink:href="013/01/015.jpg"/>
                <emph type="italics"/>
              member
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              Seneca
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              ſpeaks of Nature,
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              Initia­
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              tos (
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              ſays be
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              ) nos credimus, in Veſtibulo
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              ejus hæremus:
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              For being now in a place
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              where we are not quite deſtitute of moderate­
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              ly skilful Artificers, we have, ſince the
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              Concluſion of the following Letter, made
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              ſome Additions to our Engine, by whoſe help
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              we finde (upon ſome new tryals) that we
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              may be able, without much of new trouble,
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              to keep the ambient Air out of the exhau­
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              ſted Receiver for a whole day; and perhaps
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              we ſhould be able to keep it out much longer,
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              if before we ſhall have diſpatch'd ſome ur­
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              gent Affairs, and publiſh'd ſome Papers for
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              which a kinde of Promiſe is thought to make
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              us Debtors to the Preſs, we could be at lei­
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              ſure to proſecute ſuch Experiments, as may
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              poſsibly afford a Supplement to the follow­
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              ing Treatiſe, from which I ſhall now no lon­
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              ger detain the Reader.
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            <p type="main">
              <s>
                <emph type="italics"/>
              I know
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        </body>
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