Heron <Alexandrinus> - Heronis Alexandrini spiritalium liber

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7872HERONIS Eadem & in ſiphone Eintelligantur. Oportebit autem humidum ſenſim
infundere, ne aër, qui in ſiphonibus comprehenſus eſt, ſumma vi expel-
latur.

LVI.

Cucurbitulæ conſtructio, quæ ſine igne attrahit.

Sit cucurbi-

63[Figure 63] tula A B C,
qualis fieri
conſuevit, ha-
bens in medi-
o diaphragma
DE: & per fun-
dum impella-
tur ſmeriſina,
cujus fiſtula
quidem exte-
rior ſit FG, in-
interior vero
H K, quæ fo-
ramina L M
ſibi ipſis reſ-
pondentia ha-
beant, extra
cucurbitulam
locata. Oſcula
autem ipſarum
interiora aper-
ta ſint; & fiſtulæ H K exterius oſculum obturetur, epitoniumque habeat.
Sit præterea ſub D E diaphragmate aliud ſmeriſina N X ſimile ei, quod ad
fundum, habens foramina reſpondentia intra cucurbitulam; & ſimul per-
forata cum diaphragmate D E. His conſtitutis convertantur epitonia
ſmeriſmaton, ita ut foramina, quæ ſunt ad fundum ſibi ipſis reſpondentia
ponantur; quæ vero ſunt ſub diaphragmate permutentur, & claudantur.
Itaque cum vas DC aëre plenum ſit, admoventes ori foramina L M, doſſu-
mus aliquam aëris partem ſugere. Poſtea rurſus convertentes epitonium,
& non amoventes ab ore ſmeriſma habere rarefactum aërem, qui eſt in
vaſe C D. Hoc igitur ſæpius faciemus, quoad multum aëris ſuxerimus.
Deinde cucurbitulam carni apponentes, ut fieri ſolet, foramina, quæ

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110	104
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Scan	Original
101	95
102	96
103	97
104	98
105	99
106
107
108	102
109	103
110	104
111	105
112	106
113	107
114	108
115	109
116	110
117	111
118	112
119	113
120	114
121	115
122	116
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