Heron <Alexandrinus>, [Libro degli artifizii spiritali over di fiato]
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              <s id="s000376">XLI
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              <s id="s000377">Costituito, che habbiamo un basamento sopra del quale è un' arbu=
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              scello, ove s' avvolge un dragone incontro al quale sta un ercole
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              che
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                <foreign lang="unclear">ha</foreign>
              >/20> lo.o saetta et essendo sopra del basamento un pomo doppo,
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              che alcuno havrà elevato alquanto il pomo l' hercole tirarà la saetta
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              contra al dragone, et il dragone sibilarà</s>
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              <s id="s000378">Sia il detto basamento chiuso d' ogni intorno
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              AB con il tramezzo CD et al tramezzo sia
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              congionto il piccolo ef. concavo, e spun=
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              tato il cui minor cerchio f sia
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              verso
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              il fondo del basamento, e poco distante da
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              quello cioè quanto basti al flusso dell' acqua
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              dentro al q.ale sia accomodato l' altro cono
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              H che rientri e lo chiuda del punto, e con una
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              piccola chatena sia legato al pomo K posato
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              sopra la base l' hercole tenga un arco pic=
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              colo d' osso con il nervo teso, e distante dalla destra mano a bas=
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              tanza, e nella destra mano in contro al dragone sia un' altra
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              mano piccola in tutto simile all' esteriore , fuorche deve essere
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              più piccola che habbia il
                <foreign lang="unclear">teniere</foreign>
              o ferro accomodato da scari=
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              care il nervo nella cui estrema parte sia legata una pic=
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              cola catena, ò fune, che dentro alla base passando sopra ad u.a
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              rotella posta nel
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              tra
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              mezzo vada a legarsi
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              la catena legata al
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              </s>
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