Casati, Paolo
,
De igne dissertationes physicae
,
1686
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De Flamma & Fumo.
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dit Butyro Antimonij dicto, ſiconfertim Spiritus Nitri infunda-
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tur. </
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<
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xml:space
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">Cuius quidem accenſionis ratio inde petenda videtur, quod
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in ferro funt fulphureę particulę non paucę, & </
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<
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xml:space
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">ferri compages plu-
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rimum conſtat vinculo Salino: </
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<
s
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xml:space
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">Cùmigitur Aquę Forti, in qua
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ſolutum eſt ferrum, affunditur Oleum Tartari, huius partes Sali-
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nę dum commouentur, vt cum ſalinis ferri particulis inuicem
<
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vniantur, agitant ſulphureas ferri particulas, & </
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>
<
s
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echoid-s6681
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xml:space
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">à ſuo ſale diſiun-
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gunt, quę propterea vinculo ſolutę erumpunt in flammam: </
s
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<
s
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xml:space
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">id
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quod accidit quoquèſcobiferri; </
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<
s
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xml:space
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">nam grauis odor indicat Sulphu-
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ris cum Sale miſti eruptionem. </
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>
<
s
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xml:space
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">Nec diſſimiliratione philoſophan-
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dum de Butyro Antimonij (qui eſt liquor gummoſusinſtar butyri
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adhęrens collo retortę, dum conficitur Mercurius Vitę ex Anti-
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monij crudi puluere & </
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<
s
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="
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xml:space
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">duplo Mercurij ſublimati; </
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<
s
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xml:space
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">idcirco liquor ille
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etiam vocatur Spuma Venenata duorum Draconum, ſcilicet Mer-
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curij & </
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<
s
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xml:space
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">Antimonij) cuius partes Salinę dum abundè affuſi Spiritûs
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Nitri Salibus vniuntur, deſerunt ſulphureas; </
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>
<
s
xml:id
="
echoid-s6688
"
xml:space
="
preserve
">hę verò concitatę in
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motum emicant in flammam, cuius apta materia eft ſubſtantia illa
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pinguis; </
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>
<
s
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xml:space
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">nam ea eft, vt, quemadmodum butyrum, appoſito carbo-
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ne viuo fluat.</
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<
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">Grad. </
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<
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">Cum Spiritus Nitri confertim affundendus ſit Butyro
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Antimonij, atque Oleum Tartari non guttatim, ſed paulò libe-
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raliùs immittendum ſit in Aquam Fortem ferro ſoluto grauidam,
<
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mihi videor intelligereid fieri, vt plures ſimul particulę ſulphureę
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agitari valeant, & </
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>
<
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xml:space
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">erumpere in flammam, quę ſi ſolùm particula-
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tim commouerentur, ebullitionem tantummodo efficerent. </
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<
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xml:space
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">Sic
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in foco, vbi duæ tantummodo aut tres exiguę prunę reperiuntur,
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ſi nullo flatu excitentur, impoſitam quidem chartam ſenſim com-
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burunt, ſed illa non abit in flammam: </
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>
<
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xml:space
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">quod ſi prunę follis ſpiritu
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ſtimulentur, & </
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<
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xml:space
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">flammulam concipiant, non iam charta merum
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fumum exhalat, ſed in flammam diffolutæ particulę attolluntur;
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</
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<
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xml:space
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">quandoquidem plures ſimul ſulphureę particulę cum impetu exi-
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liunt. </
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<
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xml:space
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">Porrò impetum celeriter exilientium igniculorum indicat
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ipſe bombus, quando follium flatu irritantur prunę, quem ſtrepi-
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tum non edunt extincti carbones, ſi in eos ſimiliter immittatur
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flatus; </
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<
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">aërem ſcilicet ſecat velox flammula; </
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">id quod etiam obſer-
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uare contingit in Riſu Vulcani, vt eum vocat Ariſtoteles, quando
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flatus accenſo ligno incluſus erumpit, & </
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<
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xml:space
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">flammeam lingulam cùm
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ſtrepituimpellit.</
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