Caverni, Raffaello, Storia del metodo sperimentale in Italia, 1891-1900

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              <s>
                <pb xlink:href="020/01/333.jpg" pagenum="314"/>
              chinamento e le difficoltà che si presentavano nel sollecito studio di miglio­
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              rarlo. </s>
              <s>Ma pure eran tutte quelle difficoltà, ch'ei si riprometteva di supe­
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              rare, e ch'egli avrebbe forse superato di fatto, se non gli fosse sopraggiunta
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              in questo mezzo tempo la morte. </s>
            </p>
            <p type="main">
              <s>In qualunque modo gli Orologi di Galileo rimanevano sterili progetti e
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                <figure id="id.020.01.333.1.jpg" xlink:href="020/01/333/1.jpg" number="27"/>
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            <p type="caption">
              <s>Figura 19.
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              infecondi di ogni utilità per la vita
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              civile o domestica, e per la scienza. </s>
              <s>
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              Era preordinato che que'progetti
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              non dovessero aver la loro esecu­
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              zione in Italia e Galileo stesso parve
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              che fosse di ciò presago quando,
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              nella sopra allegata Lettera al Rea­
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              lio, scriveva che, sul fondamento
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              del suo pendolo, qualcuno di quegli
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              Olandesi, fra'quali erano uomini
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              squisitissimi e ingegnosissimi in fab­
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              bricare Oriuoli e altre macchine am­
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              mirande, avrebbe trovato conse­
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              guenze più sottili di quelle ch'ei
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              non si sarebbe potuto immaginare. </s>
            </p>
            <p type="main">
              <s>Nell'anno 1658 infatti usciva al­
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              l'Aja, dall'officina di Adriano Ulacq,
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              un libretto di poche pagine intitolato
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                <emph type="italics"/>
              Horologium,
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              in cui l'autore che era
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              Cristiano Huyghens descriveva il
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              modo di ridur con leggerissime tra­
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              sformazioni i vecchi orologi a ruote,
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              ne'nuovi orologi regolati col pen­
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              dolo. </s>
              <s>Ismaele Boulliaud dava di Pa­
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              rigi, il di 28 Febbraio 1659, nuova
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              della pubblicazione al principe Leo­
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              poldo de'Medici, così scrivendo:
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              “ Sunt aliquot menses cum scripto
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              edito, additaque figura Horologium
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              a se inventum explicuit Christia­
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              nus Hugenius et Hagae Comitis in
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              Batavia edidit ” (MSS. Cim. </s>
              <s>T. XVI,
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              c. </s>
              <s>134). A un tal annunzio entrato il Principe in gran curiosità di sapere
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              qual relazione avesse questa nuova macchina con quella proposta già da Ga­
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              lileo, mandò a richieder di quel libretto lo stesso Boulliaud, e avutolo e let­
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              tolo, forse perchè era difficile averne un altro esemplare stampato, lo fece
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              trascrivere a ma
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              per Vincenzio Viviani, in un quinternetto che si trova
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              mserito da
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              arte 115-23 nel Tomo CXXXVIII de'Manoscritti appartenenti,
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              fra'Discepoli di Galileo, allo stesso Viviani. </s>
              <s>Non è possibile che egli, testi-</s>
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