Heron <Alexandrinus>, Heronis Alexandrini spiritalium liber

Table of contents

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[31.] XXIV.
[32.] XXV.
[33.] XXVI.
[34.] ALITER. Poteſt autem & aliteridem effici.
[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.
[59.] LI.
[60.] LII.
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page |< < (1) of 131 > >|
71
HERONIS
ALEXANDRINI
SPIRITALIUM
LIBER.
CUm ſpiritalis tractatio maximo ſtudio digna
ab Antiquis, tum Philoſophis, tum Mecha-
nicis exiſtimata ſit, illis quidem ratione ejus
vim, ac facultatem tractantibus;
his vero
etiam per ipſam ſenſilium actionem:
neceſ-
ſarium fore judicavimus, quæ ab antiquis
tradita ſunt in ordinem redigere;
& quæ nos ipſi inveni-
mus exponere.
Ita enim ſiet ut qui poſthac in mathema-
ticis verſari volent, ex his maxime adjuventur.
Præterea
cum arbitraremur conſentaneum eſſe tractationem hanc co-
hærere ei, quæ de aquaticis horoſcopiis in quatuor libris eſt
tradita, de ipſa conſcribere inſtituim us quemadmodum
dictum eſt.
Etenim per conjunctionem aëris, ignis, aquæ,
&
terræ: & tribus elementis, vel etiam quatuor inter ſe
congredientibus variæ diſpoſitiones eſſiciuntur;
aliæ qui-
dem neceſſarios vitæ noſtræ uſus præbentes.
Aliæ vero ter-
ribilem quandam admirationem moventes.
De vacuo.
Verum antequam ad ea, quæ dicenda ſunt, aggredia-
mur, de vacuo diſputandum eſt.
alii enim univerſe nullum
omnino vacuum eſſe affirmant;
alii coacervatum quidem na-
tura nullum eſſe vacuum, ſed ſecundum exiguas partes

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