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 |< < (30) of 131 > >|
3630HERONIS.
XVII.
Apertis templi valvis ſonus tubæ hoc modo efficitur.
23[Figure 23]
Sit poſt valvas vas A B C D aquam habens, in quo ſit ſuffocarium,
hoc eſt vas ſyſtomum inverſum F, quippe@cujus os ſenſim contrahitur:
ejus
fundo perforato aptetur tuba habens &
codona, & lingulam : canali
autem tubæ apponatur regula L M, coagmentata ſuffocatorio, cana-
lique tubæ alligata:
& in extremitate ejus habens columation Z, hoc
eſt chelonarion, cuiſubjiciatur regula N X, ſuſtinens ſuffocatorium F,
tantum ab aqua diſtans, quantum ſatis ſit:
& regula N X circa fibulam
O moveatur:
in extremitate autem regulæ X catena, vel funis alligata
referatur per orbiculum P ad partem valvarum poſteriorem:
continget
igitur valvis apertis extentum funem trahere extremitatem regulæ Y:
ita
ut regula N X non amplius colymatio Z ſubjiciatur:
hoc autem per-
mutato ſuffocatorium in aquam delatum tubæ ſonum efficiet, propter-
ea quod aër, qui eſt in ipſo per lingulam, &
codona extruditur.

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