Full text: Alexandrinus, Heron: Heronis Alexandrini Spiritalium liber

SPIRITAL. LIBER. manum ſubjicientes conſtringemus emiſſorium, ita ut ſunis extentus ſit,
& pomum ad inferiorem partem compellatur. Sit autem ſunis per cor-
pus, & per manum intra Herculem. Et ex diaphragmate ſupra baſim ex-
tendatur parvus tubus eorum, qui ſibilare ſolitiſunt. Sitque ſub arbu-
ſcula aut intra ipſam, vas autem A D aqua impleatur, & ſit arbuſcula qui-
dem L M, arcus NX, nervus O P manus aſſumens R S, emiſſorium T Y,
funis V Q, trochlea Q circa quam funis, fiſtula vero Z Ω : Si quisigitur
pomum K elevet, ſimul elevabit & conum H, attrahetque funem Y V Q,
& manum deducet, ita ut ſagitta dimittatur: & aqua, quæ eſt in vaſe
A D, deſcendens in B C vas extrudet aërem in ipſo exiſtentem per fiſtu-
lam, & ſonum perficiet. Poſito autem rurſus pomo, conus alteri con-
gruens ſiſtet fluxum, ut non amplius ſonus reddatur. Rurſus igitur apta-
bimus ea, quæ ſunt circa ſagittam, & dimittemus. Repleto autem vaſe
B C, rurſus ipſum evacuabimus, per aliquem canalem, qui claviculam
habeat, & vas A D quemadmodum & antea, implebimus.

48.1.

0062-01

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