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

Page concordance

< >
Scan Original
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
< >
page |< < of 862 > >|
    <archimedes>
      <text>
        <body>
          <chap>
            <p type="main">
              <s>
                <pb xlink:href="013/01/188.jpg" pagenum="158"/>
              upper part of the Tube, that having after­
                <lb/>
              wards let in the external Air, the Water
                <lb/>
              was not thereby impell'd to the top of the
                <lb/>
              Tube (three Foot in length) within a lit­
                <lb/>
              tle more then half an Inch. </s>
              <s>And whe­
                <lb/>
              ther or no it were Air that poſſeſſ'd that
                <lb/>
              ſpace at the top of the Tube which was
                <lb/>
              not fill'd with Water, we took this courſe
                <lb/>
              to examine. </s>
              <s>We drew the ſecond time
                <lb/>
              the Air out of the Receiver, and found,
                <lb/>
              that by reaſon of the body that poſſeſſ'd
                <lb/>
              the top of the Tube, we were able not
                <lb/>
              onely to make the Water in the Tube fall
                <lb/>
              to a level with the ſurface of the Water
                <lb/>
              in the Veſſel: But alſo (by plying the
                <lb/>
              Pump a little longer) a great way beneath
                <lb/>
              it: which ſince it could not well be aſcrib'd
                <lb/>
              to the bare ſubſiding of the Water by rea­
                <lb/>
              ſon of its own weight, argued that the Wa­
                <lb/>
              ter was depreſſ'd by the Air: which was
                <lb/>
              confirm'd by the Figure of the ſurface of
                <lb/>
              the Water in the Tube, which was much
                <lb/>
              more concave then that of Water in
                <lb/>
              Tubes of that bigneſs uſes to be. </s>
              <s>And
                <lb/>
              this further tryal (to adde that upon
                <lb/>
              the by) we made at the ſame time, That
                <lb/>
              when the Water in the Pipe was drawn
                <lb/>
              down almoſt as low as the Water without
                <lb/>
              it, we obſerv'd, that (though we deſiſted </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
Impressum