Heron <Alexandrinus> - Heronis Alexandrini spiritalium liber

Heron <Alexandrinus>, Heronis Alexandrini spiritalium liber

Table of contents

[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.

[58.] L,

[59.] LI.

[60.] LII.

[61.] LIII.

[62.] LIV.

[63.] LV.

[64.] LVI.

[65.] LVII.

[66.] LVIII.

[67.] LIX.

[68.] LX.

[69.] LXI.

[70.] LXII.

7064HERON@S

XLVIII.

Thyrſum in aquam demiſſum edere ſonum vel fiſtulæ,
vel alicujus aviculæ.

Sit thyrſus ABCD fo-

55[Figure 55] ramen habens ad verticem
corymbi D, ſitque co-
rymbus concavus, velut
nux pinea: & caulem in-
terſeptum habeat paululum
ſub os, diaphragmate AE.
Huic autem apponatur ſy-
ringula F ſub os tubi loca-
ta, & ſimul perforata cum
diaphragmate. Quando igi-
tur thyrſum in aquam in-
jicientes deorſum premi-
mus, aër, qui in ipſo eſt,
ab aqua eliſus ſonum efficit.
& ſi quidem ſyringula ſit
ſola, ſyringæ ſonum edet,
ſi vero adſit quantitas aquæ
ſub diaphragmate, erit ſo-
nus cum clangore.

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