Ghetaldi, Marino, Marini Ghetaldi Promotvs Archimedis sev de varijs corporum generibus grauitate & magnitudine comparatis

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            <s xml:id="echoid-s1282" xml:space="preserve">
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            ſcrupulorum; </s>
            <s xml:id="echoid-s1283" xml:space="preserve">& </s>
            <s xml:id="echoid-s1284" xml:space="preserve">banc particulam excoquent ad qualitatem vſque
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            auripuri. </s>
            <s xml:id="echoid-s1285" xml:space="preserve">Et ſi quidem inuenerint, ex priori grauitate 24. </s>
            <s xml:id="echoid-s1286" xml:space="preserve">ſcru-
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            pulorum, deperiſſe nibil: </s>
            <s xml:id="echoid-s1287" xml:space="preserve">pronunciabunt aurum illud, boc est, non
              <lb/>
            ſolum particulam illam excoctam, ſed etiam illud à quo fuit detra-
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            cta, nec non & </s>
            <s xml:id="echoid-s1288" xml:space="preserve">illud quod reman ſit post ſubtractionem eſſe velfuiſ-
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            ſe aurum primæ qualitatis ſeu 24, partium, vel quod idem est au-
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            num purum. </s>
            <s xml:id="echoid-s1289" xml:space="preserve">Sivero deprebenderint grauitatem diminutam, ver-
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            bi gratia, nunc eſſe 20. </s>
            <s xml:id="echoid-s1290" xml:space="preserve">ſcrupulorum, quæ ante defæcationem fuit 24:
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            </s>
            <s xml:id="echoid-s1291" xml:space="preserve">dicturi ſunt aurum propoſitum 24. </s>
            <s xml:id="echoid-s1292" xml:space="preserve">vnciarum fuiſſe 20. </s>
            <s xml:id="echoid-s1293" xml:space="preserve">partium & </s>
            <s xml:id="echoid-s1294" xml:space="preserve">
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            illud quod remanſit eſſe 20. </s>
            <s xml:id="echoid-s1295" xml:space="preserve">partium, & </s>
            <s xml:id="echoid-s1296" xml:space="preserve">denique particulam expur-
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            gatam nunc quidem eſſe aurum purum, fuiſſe vero particulam auri
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            20. </s>
            <s xml:id="echoid-s1297" xml:space="preserve">partium.</s>
            <s xml:id="echoid-s1298" xml:space="preserve"/>
          </p>
          <p style="it">
            <s xml:id="echoid-s1299" xml:space="preserve">Et eodem modo pronunciabunt de quibuſcunque alys auri quali-
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            atibus, ſecundum partes auri puri, quas in qualibet maſſa auri in-
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            uenerint, eaſque vigeſimas quartas totius grauitatis, non magnitu-
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            dinis. </s>
            <s xml:id="echoid-s1300" xml:space="preserve">Nam cum in bac comparatione qualitatum, ſeorſim babea-
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            tur ratio partium auri, & </s>
            <s xml:id="echoid-s1301" xml:space="preserve">ſeorſim metallorum alligatorum; </s>
            <s xml:id="echoid-s1302" xml:space="preserve">manife-
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            stum est ſi grauitas totius corporis intelligatur diuiſa in 24. </s>
            <s xml:id="echoid-s1303" xml:space="preserve">partes
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            æquales, ex quibus 20. </s>
            <s xml:id="echoid-s1304" xml:space="preserve">ſint auri, duæ argenti, & </s>
            <s xml:id="echoid-s1305" xml:space="preserve">duæ æris; </s>
            <s xml:id="echoid-s1306" xml:space="preserve">quamli-
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            bet partem auri cum qualibet parte argenti & </s>
            <s xml:id="echoid-s1307" xml:space="preserve">æris collatam, magni-
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            tudine eſſe minorem; </s>
            <s xml:id="echoid-s1308" xml:space="preserve">& </s>
            <s xml:id="echoid-s1309" xml:space="preserve">ſimiliter partem argenti minorem parte,
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            æris; </s>
            <s xml:id="echoid-s1310" xml:space="preserve">propterea quod aurum omnia reliqua metalla ſuperet grauita-
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            te quemadmodum & </s>
            <s xml:id="echoid-s1311" xml:space="preserve">argentum ipſum æs, vt constat experientia.
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            </s>
            <s xml:id="echoid-s1312" xml:space="preserve">atque binc constat quam apte ac conuenienter Aurifices vtantur
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            vocabulo partium. </s>
            <s xml:id="echoid-s1313" xml:space="preserve">bac enim ratione eodem numero exprimunt vnam
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            quamque qualitatem auri cuiuslibet maſſæpropoſitæ. </s>
            <s xml:id="echoid-s1314" xml:space="preserve">Sed nunc ad
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            ſecundum veniamus & </s>
            <s xml:id="echoid-s1315" xml:space="preserve">modum alligationis quem ijdem obſeruant
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            breuiter adnotemus.</s>
            <s xml:id="echoid-s1316" xml:space="preserve"/>
          </p>
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            <s xml:id="echoid-s1317" xml:space="preserve">Inter varias autem & </s>
            <s xml:id="echoid-s1318" xml:space="preserve">multiplices auri compoſitiones quibus
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            cum alijs metallis alligari potest, eam retinuere aurifices, quam diu-
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            turna experientia deprebenderunt omnibus alijs eſſe commodiorem,
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            eam nimirum quæ ab auri ſimilitudine vel minimum diſcedat; </s>
            <s xml:id="echoid-s1319" xml:space="preserve">qua-
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            lis eſt quæ ſolius argenti atque æris mixtione perficitur. </s>
            <s xml:id="echoid-s1320" xml:space="preserve">Et quidem
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            ſi partes auri excipias, æris atque argenti partes, quæ auro ſunt per-
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            miſcendæ ſemper volunt eſſe æquales in grauitate: </s>
            <s xml:id="echoid-s1321" xml:space="preserve">propterea quod
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            eadem experientia Magiſtra didicerunt bunc eſse mixtionis modum
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            longe optimum.</s>
            <s xml:id="echoid-s1322" xml:space="preserve"/>
          </p>
          <p style="it">
            <s xml:id="echoid-s1323" xml:space="preserve">Quando ergo aurifices volunt producere aurum cuiuſcunque.
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            </s>
            <s xml:id="echoid-s1324" xml:space="preserve">qualitatis, accipiunt tot partes auri puri æquales, quot partium fu-
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            turum eſt aurum producendum, pauciores tamen partibus 24, &</s>
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