Casati, Paolo
,
De igne dissertationes physicae
,
1686
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De Ignis extinctione.
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celeriter agitentur: </
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">ideò miſſiles ignes ne extinguantur in motu, ſi-
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militer ex materiâ ſulphureâ aut bituminoſâ componi oportet.
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<
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">Flauius Vopiſcus in Vitâ Aureliani recenſet epiſtolam ab eodem ad
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Mucaporem miſſam, vbi inter cœteros conatus contra Palmyram
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vrbem, *Ignes etiam,* inquit, *tormentis iaciuntur.</
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<
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">* De ignibus
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pariter in hoſtiles naues immiſſis memini me plura legiſſe apud
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Ioannem Schefferum de Militia Nauali lib.</
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<
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<
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<
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<
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accenſos fuiſſe ex materiâ bituminoſâ, argumento eſt, quod apud
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Perſas, vt author eſt Ammianus Marcellinus, bitumine aut na-
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phthâ inungebantur tela, quæ in hoſtilia tecta eiaculantes mirum
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incendium ſuſcitabant: </
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<
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">& </
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<
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">apud Zecuruas Indiæ populos, vt ſcripſit
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Aldrouand. </
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<
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<
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<
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<
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<
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xml:space
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">reperitur bitumen li-
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quidum, quo telorum cuſpides ex arundine paratorum liniunt, & </
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accenſa in hoſtes eiaculantur. </
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">Erat igitur eiuſmodi flamma, quæ
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ex aëris occurſu, licèt retrorſum flecteretur, non tamen omni-
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no impediri poterat, quin noua ſubinde exurgeret, ob mul-
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titudinem ſulphurearum particularum iam ſolutarum, quæ exilire
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poterant multâ vi, nequicquam repugnante aëre.</
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<
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longiore ellychnio (imitatur enim prunam) excitet flammam;
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</
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">quia ſcilicet erumpentes languidiùs ſulphureas particulas, quin
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ſecum alias raperent, flatus ingerit in carbonem accenſum (ſic
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videmus ex accenſâ carbonis particulâ igniculos ſerpere propulſos
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à flatu in reliquas particulas, adeò vt totus carbo incendatur) il-
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læque cœteris iam intus tumultuantibus additæ agitantur vehe-
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mentiùs, atque confertim erumpunt; </
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<
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">quidem cum ſtrepitu; </
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flamma nimirum & </
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uetur velociùs, ac aërem findens ſonum illum ſeu ſibilum edit,
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quem etiam in fabrorum vſtrinis obſeruamus, immò & </
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<
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poſt extinctam flammam, ſi quis ellychnium citiùs extinguere
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voluerit flatu exturbante igniculos, ne diutiùs perſeuerans exarſio
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fumi fœtorem excitet moleſtiorem; </
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in flammam non abeant, velociori tamen motu aërem findunt, & </
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ſtrepitum edunt aliquanto maiorem eo, quem flatus ipſe efficit in-
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cidens in corpus ſolidum, à quo diuiditur.</
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<
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rum ignitum, exauditur friritus igniculorum, qui per a quam cir-
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cumcurſantes, & </
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