Heron <Alexandrinus> - Heronis Alexandrini spiritalium liber

Heron <Alexandrinus>, Heronis Alexandrini spiritalium liber

Table of contents

[61.] LIII.

[62.] LIV.

[63.] LV.

[64.] LVI.

[65.] LVII.

[66.] LVIII.

[67.] LIX.

[68.] LX.

[69.] LXI.

[70.] LXII.

[71.] LXIII.

[72.] LXIV.

[73.] LXV.

[74.] LXVI.

[75.] LXVII.

[76.] LXVIII.

[77.] LXIX.

[78.] LXX.

[79.] LXXI.

[80.] LXXII.

[81.] LXXIII.

[82.] LXXIV.

[83.] LXXV.

[84.] LXXVI.

[85.] FINIS.

[86.] QUATUOR THEOREMATA Adjuncta SPIRITALIBUS HERONIS, Per M. Joannem Baptistam Aleottum. Et Conſtructio modi, quo artificialiter repræſentatur ca-nalis aquæ vivæ aquam ejaculans uſque in verticem cujuscunque altæ turris, ſumma facilitate. Ex Italice in Latinum conutrſa.

[87.] Theorema I.

Page: 108 (102)

[88.] Theorema II.

Page: 111 (105)

[89.] Theorema III.

Page: 114 (108)

[90.] Theorema IV.

Page: 118 (112)

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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