Song Yingxing, Tian gong kai wu, 1637

Table of contents

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                  <s xml:id="N405739" xml:space="preserve">
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                  硝。</s>
                  <s xml:id="N40573F" xml:space="preserve">以其入水即硝鎔,</s>
                  <s xml:id="N405742" xml:space="preserve">故名曰“硝”。</s>
                  <s xml:id="N405745" xml:space="preserve">
                    <place id="N405745-01">長淮</place>
                  以北,</s>
                  <s xml:id="N405748" xml:space="preserve">節過中秋,</s>
                  <s xml:id="N40574B" xml:space="preserve">即
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                  居室之中,</s>
                  <s xml:id="N40574E" xml:space="preserve">隔日掃地,</s>
                  <s xml:id="N405751" xml:space="preserve">可取少許以供煎煉。</s>
                  <s xml:id="N405754" xml:space="preserve">凡硝三所最
                    <lb/>
                  多:</s>
                  <s xml:id="N405757" xml:space="preserve">出蜀中者曰
                    <place id="N405757-01">川</place>
                  硝,</s>
                  <s xml:id="N40575A" xml:space="preserve">生
                    <place id="N40575A-01">山西</place>
                  者谷呼鹽硝,</s>
                  <s xml:id="N40575D" xml:space="preserve">生
                    <place id="N40575D-01">山東</place>
                  者俗
                    <lb/>
                  呼土硝。</s>
                  <s xml:id="N405760" xml:space="preserve">凡硝刮掃取時,</s>
                  <small xml:id="d034417">
                    <s xml:id="echoid-s7571" xml:space="preserve">(</s>
                    <s xml:id="N405763" xml:space="preserve">牆中亦
                      <smlb/>
                    或進出。</s>
                    <s xml:id="echoid-s7573" xml:space="preserve">)</s>
                  </small>
                  <s xml:id="N405766" xml:space="preserve">入缸內水浸一宿,</s>
                  <s xml:id="N405769" xml:space="preserve">穢雜
                    <lb/>
                  之物浮于面上,</s>
                  <s xml:id="N40576C" xml:space="preserve">掠取去時,</s>
                  <s xml:id="N40576F" xml:space="preserve">然後入釜,</s>
                  <s xml:id="N405772" xml:space="preserve">注水煎煉。</s>
                  <s xml:id="N405775" xml:space="preserve">硝化水
                    <lb/>
                  幹,</s>
                  <s xml:id="N405778" xml:space="preserve">傾于器內,</s>
                  <s xml:id="N40577B" xml:space="preserve">經過一宿,</s>
                  <s xml:id="N40577E" xml:space="preserve">即結成硝。</s>
                  <s xml:id="N405781" xml:space="preserve">其上浮者曰芒硝,</s>
                  <s xml:id="N405784" xml:space="preserve">芒
                    <lb/>
                  長者曰馬牙硝,</s>
                  <small xml:id="d034472">
                    <s xml:id="echoid-s7585" xml:space="preserve">(</s>
                    <s xml:id="N405787" xml:space="preserve">皆從方產
                      <smlb/>
                    本質幻出。</s>
                    <s xml:id="echoid-s7587" xml:space="preserve">)</s>
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                  <s xml:id="N40578A" xml:space="preserve">其下猥雜者曰樸硝。</s>
                  <s xml:id="N40578D" xml:space="preserve">欲去雜
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                  還純,</s>
                  <s xml:id="N405790" xml:space="preserve">再入水煎煉。</s>
                  <s xml:id="N405793" xml:space="preserve">入萊菔數枚同煮熟,</s>
                  <s xml:id="N405796" xml:space="preserve">傾入盆中,</s>
                  <s xml:id="N405799" xml:space="preserve">經宿
                    <lb/>
                  結成白雪,</s>
                  <s xml:id="N40579C" xml:space="preserve">則呼盆硝。</s>
                  <s xml:id="N40579F" xml:space="preserve">凡制火藥,</s>
                  <s xml:id="N4057A2" xml:space="preserve">牙硝、</s>
                  <s xml:id="N4057A5" xml:space="preserve">盆硝功用皆同。</s>
                  <s xml:id="N4057A8" xml:space="preserve">凡 </s>
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