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

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31 XXIII
32 XXIV
33 XXV
34 XXVI
35 XXVII
36 XXVIII
37 XXIX
38 XXX
39 XXXI
40 XXXII
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
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page |< < (XXXV) of 125 > >|
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            adatterà il piano o ſia il penſiere da mè
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            propoſtole. </s>
            <s xml:id="echoid-s140" xml:space="preserve">Arruotandole adunque nel
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            fondo più groſſo, (giacchè dai lati che
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            ſono ſempre più ſottili non puoſſi, rom-
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            pendoſi queſte nel premere che faſſi con
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            eſſe neceſſariamente ſopra la ruota) ſuc-
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            cede che internandoſi ed arrivando col-
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            la ruota a logorar quel luogo in cui il
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            vetro comincia ad eſſer più raro e in
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            conſeguenza più fragile, ſcoppiano que-
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            ſte tutte in un colpo con egual impeto
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            che ſe ſi foſſero nella ſolita maniera toc-
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            cate o punte. </s>
            <s xml:id="echoid-s141" xml:space="preserve">Una ſola cautela in far
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            queſto è neceſſariſſima; </s>
            <s xml:id="echoid-s142" xml:space="preserve">ed è che nell’ ar-
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            ruotarle ſi logorino poco a poco ed a
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            varie ripreſe, per impedire quel notabi-
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            le riſcaldamento che naſcer ſuole nei cor-
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            pi allorchè violentemente ſi fregano in-
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            ſieme: </s>
            <s xml:id="echoid-s143" xml:space="preserve">imperciocchè queſto rendele ina-
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            bili allo ſcoppio, ſervendo ad eſſe in
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            parte di cottura, non altrimenti che </s>
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