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

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              have occaſion to make uſe of them in my o­
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              ther Writings: That in divers caſes I
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              thought it neceſſary to deliver things cir­
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              cumſtantially, that the Perſon I addreſſed
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              them to, might without miſtake, and with
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              as little trouble as is poſsible, be able to re­
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              peat ſuch unuſual Experiments: and that
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              after I conſented to let my Obſervations be
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              made publick, the moſt ordinary Reaſon of
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              my prolixity was, That foreſeeing that ſuch
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              a trouble as I met with in making thoſe try­
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              als carefully, and the great expence of time
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              that they neceſſarily require, (not to mention
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              the charges of making the Engine, and im­
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              ploying a man to manage it) will probably
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              keep moſt men from trying again theſe Ex­
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              periments; I thought I might doe the gene­
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              rality of my Readers no unacceptable pe
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              ce
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              of ſervice, by ſo punctually relating what
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              I carefully obſerv'd, that they may look up­
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              on theſe Narratives as ſtanding Records in
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              our new Pneumaticks, and need not reite­
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              rate themſelves an Experiment to have as
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              diſtinct an Idea of it, as may ſuffice them
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              to ground their Reflections and Speculations
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              upon.
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              And becauſe ſometimes 'tis the Diſcourſe
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              made upon the Experiment that makes it
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              appear prolix, I have commonly left a con-
                <emph.end type="italics"/>
              </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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