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

Page concordance

< >
Scan Original
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
< >
page |< < of 862 > >|
    <archimedes>
      <text>
        <body>
          <chap>
            <p type="main">
              <s>
                <pb xlink:href="013/01/130.jpg" pagenum="100"/>
              but that they moved ſome of them up­
                <lb/>
              wards, as well as ſome of them down­
                <lb/>
              wards, and ſome of them ſide-ways, as
                <lb/>
              they are wont to do, when upon ſuch col­
                <lb/>
              liſions they fly out in the open Air. </s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg16"/>
                <emph type="italics"/>
              Experi­
                <lb/>
              ment
                <emph.end type="italics"/>
              14.</s>
            </p>
            <p type="main">
              <s>We likewiſe cauſ'd a piece of Steel to
                <lb/>
              be made of the form and bigneſs of the
                <lb/>
              Flint, in whoſe place we put it, and then
                <lb/>
              the Piſtol being cock'd and conveyed in­
                <lb/>
              to the Receiver, the Trigger was pull'd
                <lb/>
              after the Air was drawn out: And though
                <lb/>
              the place were purpoſely ſomewhat dar­
                <lb/>
              ken'd, yet there appear'd not upon the
                <lb/>
              ſtriking of the two Steels againſt each o­
                <lb/>
              ther the leaſt ſpark of Fire: Nor did we
                <lb/>
              expect any (having before in vain attem­
                <lb/>
              pted to ſtrike Fire this way in the open
                <lb/>
              Air) though we thought fit to make the
                <lb/>
              Experiment to undeceive thoſe who fan­
                <lb/>
              cy in rarified Air, I know not what ſtrange
                <lb/>
              diſpoſition, to take Fire upon a much
                <lb/>
              ſlighter occaſion then this Experiment
                <lb/>
              afforded. </s>
              <s>We have indeed found, that
                <lb/>
              by the dextrous Colliſion of two har­
                <lb/>
              den'd pieces of Steel, ſtore of ſparks
                <lb/>
              may be ſtruck out: But that was done with
                <lb/>
              ſuch vehement percuſſion of the edges of
                <lb/>
              the two Steels, as could not well be com­
                <lb/>
              paſſ'd in our Receiver. </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
Impressum