Bernstein, Aaron, Naturwissenschaftliche Volksbücher, Bd. 12-16, 1897

Table of Notes

< >
< >
page |< < (94) of 896 > >|
    <echo version="1.0RC">
      <text xml:lang="de" type="free">
        <div xml:id="echoid-div137" type="section" level="1" n="123">
          <p>
            <s xml:id="echoid-s4930" xml:space="preserve">
              <pb o="94" file="0362" n="362"/>
            Kienholz nur ca. </s>
            <s xml:id="echoid-s4931" xml:space="preserve">2640 Pfund ſchwer, und wenn auch jedes
              <lb/>
            Pfund 15 Lot Waſſer mehr zu verdampfen imſtande iſt als
              <lb/>
            Büchenholz, ſo beſitzt man doch in der ganzen Klafter nur
              <lb/>
            eine Heizkraft, die etwa 12400 Pfund eiskaltes Waſſer in
              <lb/>
            Dampf verwandeln kann. </s>
            <s xml:id="echoid-s4932" xml:space="preserve">—</s>
          </p>
          <p>
            <s xml:id="echoid-s4933" xml:space="preserve">Gleichwohl ſieht man, daß der Heizwert der Klafter Büchen-
              <lb/>
            holz bei weitem geringer iſt, als man ihn im Vergleich mit
              <lb/>
            Kienholz vermuten ſollte, wenn man den Preis beider Holz-
              <lb/>
            arten zum Maßſtab nimmt. </s>
            <s xml:id="echoid-s4934" xml:space="preserve">Vergleicht man die Heizkraft
              <lb/>
            beider Holzarten, und beſtimmt man nach ihnen den Preis,
              <lb/>
            ſo müßte der des Kienholzes mit dem des Büchenholzes faſt
              <lb/>
            gleich ſein; </s>
            <s xml:id="echoid-s4935" xml:space="preserve">wenn ein Haufen Kienholz 30 Thaler koſtet, ſo
              <lb/>
            dürfte man für einen Haufen Büchenholz nicht mehr als
              <lb/>
            30 {1/2} Thaler bezahlen. </s>
            <s xml:id="echoid-s4936" xml:space="preserve">Wir wiſſen aber, daß dem nicht ſo iſt,
              <lb/>
            daß Büchenholz um mehr als zweimal ſo teuer iſt als Kien-
              <lb/>
            holz, daß alſo das Büchenholz im Vergleich zum Kienholz
              <lb/>
            viel zu hoch bezahlt wird.</s>
            <s xml:id="echoid-s4937" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s4938" xml:space="preserve">Wollte man indeſſen hieraus ſchließen, daß in dem
              <lb/>
            Gebrauch von teuerem Büchenholz eine Verſchwendung liegt,
              <lb/>
            ſo müſſen wir dem doch widerſprechen.</s>
            <s xml:id="echoid-s4939" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s4940" xml:space="preserve">Würde nur der wiſſenſchaftlich ermittelte Heizwert eine
              <lb/>
            Rolle ſpielen, ſo würde dies freilich der Fall ſein; </s>
            <s xml:id="echoid-s4941" xml:space="preserve">allein in
              <lb/>
            der Praxis ſtellen ſich die Dinge durch weſentliche Einflüſſe
              <lb/>
            anders.</s>
            <s xml:id="echoid-s4942" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s4943" xml:space="preserve">Vor allem muß man berückſichtigen, daß ſelbſt gut ge-
              <lb/>
            haltenes Holz nicht waſſerfrei iſt; </s>
            <s xml:id="echoid-s4944" xml:space="preserve">es iſt alſo in einer Klafter Holz
              <lb/>
            eine Portion Waſſer enthalten, die ſehr verſchieden iſt. </s>
            <s xml:id="echoid-s4945" xml:space="preserve">Weiches
              <lb/>
            Holz ſaugt ſich ſeiner Natur nach ſchneller mit Waſſer an als
              <lb/>
            hartes, wenn beide Sorten auf dem Holzplatz dem Regen aus-
              <lb/>
            geſetzt ſind. </s>
            <s xml:id="echoid-s4946" xml:space="preserve">Selbſt aber, wenn ſie mittelmäßig trocken ſind,
              <lb/>
            muß man eine mittlere Feuchtigkeit in beiden Sorten von dem
              <lb/>
            Brennſtoff in Abrechnung bringen. </s>
            <s xml:id="echoid-s4947" xml:space="preserve">Nun ergaben die Unter-
              <lb/>
            ſuchungen, daß Büchenholz circa 14 Prozent Waſſer, </s>
          </p>
        </div>
      </text>
    </echo>
Impressum