Casati, Paolo
,
De igne dissertationes physicae
,
1686
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283
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De Ignis extinctione.
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<
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xml:space
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">Dand. </
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xml:space
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">Cum primùm ellychnij pars extrema concipit ignem,
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non illico faſtigiata flamma aſcendit, quemadmodum, cum iam
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ellychnij longitudo notabilis ardet: </
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<
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echoid-s8183
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xml:space
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">immò obſeruaui, ſi cœtera
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ſint paria, magis acutam in cuſpidem deſinere flammam, quan-
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do longior eſt, & </
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<
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echoid-s8184
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">ex maiore ellychnij parte exit. </
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<
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echoid-s8185
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xml:space
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">Elly chnium au-
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tem tres in partes diſtinguo, ſummam, mediam, imam. </
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<
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echoid-s8186
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xml:space
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">Sum-
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ma pars prior accenditur, & </
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<
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">ex illâ ſerpit ignis ad mediam, à me-
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diâ ad imam, cui proximum eſt oleum, aut cera, aut alia pin-
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guedo, quæ vi caloris liqueſcit, & </
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<
s
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echoid-s8188
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xml:space
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">ellychnium imbuit ſucce-
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dens in locum auolantium particularum. </
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<
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echoid-s8189
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xml:space
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preserve
">Ex ſummo igitur el-
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lychnio erumpens flamma prior ſurſum fertur, aëremque diuidit;
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</
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<
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echoid-s8190
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xml:space
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">ſubſequitur autem ex mediâ parte ad latera potiſſimùm exiliens ac-
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cenſus vapor, quem in aëre aſcendentem præuenit flamma per
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ellychnium propulſa ex ipſius ellychnij ſummitate emanans, ſe-
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que ille inſinuat in locum aëris diuiſum: </
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<
s
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echoid-s8191
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xml:space
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">demum ex imo ellych-
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nio ad latera exiliunt igniculi, qui aſcendentes incurrunt in igni-
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culos magnâ vi erumpentes ex medio, a quibus, vtpote vali-
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dioribus, illi propelluntur aliquantulum, ideoque flamma dila-
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tatur potiſſimùm ad mediam ellychnij partem. </
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<
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xml:space
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">Cœterùm, quia
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non ſola lucernæ flamma, verùm alia quælibet aliquandiu du-
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rans, in apicem deſinit, id vniuerſim euenire exiſtimo, quia non
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omnes particulæ, in quas diſſoluitur materia inflammata, æquâ
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mobilitate præditæ ſunt, ſed velociores præcurrunt, & </
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<
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xml:space
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">viam ſub-
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ſequentibus aperiunt, quippe qùæ validiùs aërem diuidunt; </
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<
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echoid-s8194
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xml:space
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">ideò
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cuneata aſcendit flamma validioribus igniculis præcurrentibus: </
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qui quoniam non ſemperæquali menſurâ exiliunt, idcirco modò
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altiùs aſſurgit flamma, modò breuioribus terminis coërcetur. </
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<
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xml:space
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">Eo-
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rum autem, quæ vnico ferè impetu exardeſcunt, vt pyrius pul-
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uis, flamma non acuminata apparet, ſed conglobata. </
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<
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">Sic ali-
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qui ſubtiliſſimum Succini puluerem versùs lampadem exſuf-
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flant, vt inflammatus magnum excitet ignem, ſed nihil
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comburentem. </
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<
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xml:space
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">Similes flammarum globos exhibet pix Græca ad
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pollinis tenuitatem contrita, ſi aduerſùs ardentis facis flammam
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proijciatur.</
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<
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">Maur. </
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<
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xml:space
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">Cum igniculi eximo ellychnio prodeuntes, dum aſcen-
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dunt, incurrant in alios ex medio erumpentes, fieri nequit,
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quin horum eruptio aliquantulum retardetur, ac proinde magis
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agitati intrà ipſum ellychnium diſſolutionem particularum </
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