Terentius, Johannes; Zheng, Wang 王徴, Yuan xi qi qi tu shuo lu zui 遠西奇器圖說錄最, [1830]

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    <archimedes>
      <text>
        <body>
          <chap id="N10015" n="1">
            <pb xlink:href="X03/01/134.jpg"/>
            <lb/>
            <p type="head">
              <s id="N11688"> ​第​四​十​二​款 ​有​定​體，​其​本​重​重​于​水，​則​其​在​水​必
                <lb/>
              ​沉​至​底​而​後​止​。</s>
              <s id="N1168D"/>
            </p>
            <p type="main">
              <s id="N11692"> ​如​上​圖​自​明，​或​有​乾​板，​薄​而​寬​大；​或
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              ​是​金​或​是​鉛，​但​平​平​徐​置​水​面，​則​亦
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              ​不​沉​。</s>
              <s id="N11699">​何​也？​薄​而​寬​大，​則​板​上​之​氣​與
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              ​板​體​相​合，​氣​與​水​面​相​逼，​故​雖​金​、​鉛
                <lb/>
              ​本​重​而​不​致​沉​也​。</s>
              <s id="N116A0">​但​有​小​隙​上​水，​則
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              ​必​沉​矣​。</s>
              <s id="N116A5"/>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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