Heron <Alexandrinus> - Heronis Alexandrini spiritalium liber

Heron <Alexandrinus>, Heronis Alexandrini spiritalium liber

Table of contents

[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.

[71.] LXIII.

[72.] LXIV.

[73.] LXV.

[74.] LXVI.

[75.] LXVII.

[76.] LXVIII.

[77.] LXIX.

[78.] LXX.

[79.] LXXI.

[80.] LXXII.

6054HERONIS

XXXVIII.

Contingit etiam aliter accenſo igne valvas aperiri.

45[Figure 45]

Sit rurſus ſacellum in aliqua bafi A B C D, in qua ſit ara E: & per
aram tubus F G H referatur in parvum utrem K undique præcluſum. Utri
vero ſubijciatur pondus L, ex quo catenula per trochleam religetur ad
catenulas, quæ ſunt circa cardines, ita ut compreſſo utre pondus L evin-
cat, & valvas claudat: impoſito autem igne aperiat. Rurſus enim aër, qui
eſt in ara calore effuſus per tubum F G H in utrem procedet, & ipſum una
cum pondere L attrahet, & valvæ aperientur. Nam vel ipſæ per ſeipſas
ſponte aperientur, quemadmodum balnearum valvæ ſponte

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