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

List of thumbnails

< >
111
111 		112
112
113
113 		114
114
115
115 		116
116
117
117 		118
118
119
119 		120
120
< >
page |< < of 862 > >|
    <archimedes>
      <text>
        <body>
          <chap>
            <p type="main">
              <s>
                <pb xlink:href="013/01/112.jpg" pagenum="72"/>
              ting into one of theſe, wherein it had but
                <lb/>
              little room to expand and diſplay it ſelf,
                <lb/>
              might preſs as much upon all parts of the
                <lb/>
              internal ſurface of the Veſſel, and upon
                <lb/>
              the included Bodies, as a greater quan­
                <lb/>
              tity of Air in a Veſſel in whoſe capacity
                <lb/>
              it might finde more room to expand it
                <lb/>
              ſelf. </s>
            </p>
            <p type="main">
              <s>The other thing that we were to ad­
                <lb/>
              vertiſe, is, That 'tis not every ſmall crack
                <lb/>
              that can make ſuch a Receiver as is of a
                <lb/>
              roundiſh Figure altogether uſeleſs to our
                <lb/>
              Experiment, in regard that upon the ex­
                <lb/>
              ſuction of the internal Air, the ambient
                <lb/>
              Air on all ſides preſſing the Glaſs inwards
                <lb/>
              or towards the middle, does conſequent­
                <lb/>
              ly thruſt the Lips of the crack cloſer, and
                <lb/>
              ſo rather cloſe then increaſe it. </s>
            </p>
            <p type="main">
              <s>This I mention partly becauſe Recei­
                <lb/>
              vers fit for our turn are more eaſily
                <lb/>
              crack'd then procur'd, and therefore ought
                <lb/>
              not to be unneceſſarily thrown away as
                <lb/>
              unſerviceable: And partly becauſe I think
                <lb/>
              it becomes one that profeſſes himſelf a
                <lb/>
              faithful Relator of Experiments, not to
                <lb/>
              conceal from Your Lordſhip, that after a
                <lb/>
              few of the foregoing Experiments were
                <lb/>
              made, there happen'd in the great Recei­
                <lb/>
              ver a crack of about a Span long, begin-</s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
Impressum