Bianconi, Giovanni Lodovico, Due lettere di fisica al signor marchese Scipione Maffei, 1746

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41 XXXIII
42 XXXIV
43 XXXV
44 XXXVI
45 XXXVII
46 XXXVIII
47 XXXIX
48 XL
49 XLI
50 XLII
51 XLIII
52 XLIV
53 XLV
54 XLVI
55 XLVII
56 XLVIII
57 XLIX
58 L
59 LI
60 LII
61 (LIII)
62 (LIV)
63 (LV)
64 (LVI)
65 (LVII)
66 (LVIII)
67 (LIX)
68 (LX)
69 (LXI)
70 (LXII)
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page |< < (LXXX) of 125 > >|
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            teſſero influire ancora qualche cangia-
              <lb/>
            mento ſopra il ſuono, ed oſſervaronlo
              <lb/>
            in varj ſtati dell’ atmosfera ed in varie
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            ſtagioni dell’ anno. </s>
            <s xml:id="echoid-s320" xml:space="preserve">Dopo lunghe e dili-
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            gentiſſime prove, determinarono finalmen-
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            te eſſer coſtante la velocità del ſuono in
              <lb/>
            qualunque vogliaſi congiuntura, e anda-
              <lb/>
            re egualmente celere ſia ſereno il cielo
              <lb/>
            o nuvoloſo, cada pure la pioggia o ne-
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            vichi, ſiaſi eſtate o inverno. </s>
            <s xml:id="echoid-s321" xml:space="preserve">I venti ſol-
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            tanto parre che turbaſſero l’ univerſalità
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            di queſto canone, dicendo che ſe ſpira-
              <lb/>
            no a ſeconda del ſuono lo fanno anda-
              <lb/>
            re un poco più preſto, o lo ritardano
              <lb/>
            ſe la lor direzione a queſto è contraria</s>
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            <s xml:id="echoid-s322" xml:space="preserve">Su queſte oſſervazioni, tralaſciandone
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            varie altre fatte dal Padre Merſan, dal
              <lb/>
            Padre Lana, dal Sig. </s>
            <s xml:id="echoid-s323" xml:space="preserve">Perrault e da al-
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            tri, ſi acquietarono i filoſoſi lo ſpazio
              <lb/>
            almeno di una trentina
              <gap/>
            d’ anni, allora-
              <lb/>
            quando l’ anno 1738
              <gap/>
            terminarono </s>
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