Vitruvius Pollio, I dieci libri dell?architettura, 1567

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                  <s id="s.000538">
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                  chie prendino la dolcezza, & dilettation ſua. </s>
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                <p type="main">
                  <s id="s.000539">
                    <emph type="italics"/>
                  Molti eſſempi ci adduce Vitr. per li quali ſi comprende, come ſi ſtia la communanza delle ſcien­
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                  ze; & prima dimoſtra quella tra due ſcienze, & poi tra molte. </s>
                  <s id="s.000540">La Muſica, & La Medicina ſo­
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                  no ſcienze, o Arti che uogliamo. </s>
                  <s id="s.000541">l'officio del Medico in quanto Medico, è di indurre, & di con­
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                  ſeruare la ſanità; l'opera del Muſico in quanto Muſico è dilettare col ſuono, & col canto le orec­
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                  chie de gli aſcoltanti. </s>
                  <s id="s.000542">in queſti ufficij, & effetti ſono differenti, ma nelle ragioni poſſono eſſer
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                  conformi. </s>
                  <s id="s.000543">la conformità naſce da una regola commune, che all'uno, & all'altro puo facilmente
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                  ſeruire, perche conſiderando il Medico la eleuatione, & la depreſſione de i polſi, la uelocità, &
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                  tardezza, la egualità ouero la diſaguaglianza, conuiene col Muſico, ilquale nelle uoci conſi­
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                  dera le iſteſſe coſe riguardando a i piedi delle parole che ſono ne i uerſi, o al mouimento de i piedi,
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                  che ſi fa al ſuono di qualche inſtrumento. </s>
                  <s id="s.000544">percioche lo eſſer tardo o ueloce, che riſponde al tem­
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                  po, alto o baſſo, che riſponde al tenore, & a i gradi della noce eguale o diſeguale, che riſponde
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                  all'uno, & all'altro ſono termini communi, che a molte coſe di natura diuerſe, ſi poſſono appli­
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                  care: però non è incommodo alcuno che nella ragione conuenghino molti artefici, i quali ſiano
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                  nelle opere differenti; & queſto naſce dal ualore de i principij, i quali eſſendo uniuerſali, & in­
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                  differenti abbracciano piu coſe, & non dipendeno da ſoggetto alcuno. </s>
                  <s id="s.000545">Eguale adunque ſi puo di­
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                  re, de i tempi, de gli ſpatij, de i mouimenti, de i corpi, de i numeri, delle uirtù, & di molte altre
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                  coſe che a diuerſi Artefici con ragione diuerſamente conferme aſpettano. </s>
                  <s id="s.000546">dico diuerſamente con­
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                  forme; percioche il principio è uno; come ſe io diceßi. </s>
                  <s id="s.000547">Lo eguale giunto allo eguale fa il tutto
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                  eguale, ma l'applicatione ſi fa in materie, & ſoggetti diuerſi: perche il Medico applicherà il det­
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                  to principio alle qualità, & uirtù dell'herbe, il Muſico a i tempi delle ſillabe, il filoſofo naturale
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                  a i moti, il Geometra alle grandezze, & altri ad altre coſe; come anche il Medico pigliando dal
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                  Geometra, che gli angoli facilmente ſi uniſceno, & la circonferenza non coſi. </s>
                  <s id="s.000548">dice per queſto le
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                  ferite circolari eſſer difficili da ſaldare, & unire, & i tagli migliori; & in queſto il Medico s'ac­
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                  compagnerà col Geometra, nè però il Geometra oſera metter le mani addoſſo d'un ferito, nè il
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                  Medico come Medico ardirà opporſi al Geometra.
                    <emph.end type="italics"/>
                  </s>
                  <s id="s.000549"> Simigliantemente tra Muſici, & Aſtro­
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                  logi è commune il diſputare del conſenſo delle ſtelle, de i concenti & conſonanze Dia­
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                  teſſaron, & Diapente nominate, che ſono ne gli aſpetti quadrati, o triangolari. </s>
                </p>
                <p type="main">
                  <s id="s.000550">
                    <emph type="italics"/>
                  Io deſidero laſciarmi intendere, percioche il Philandro benche ſidelmente eſponga le parole
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                  dello interprete di Tolomeo; ci laſcia però di ſiderio di maggior intelligenza. </s>
                  <s id="s.000551">Dico adunque, che
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                  uolendo gli Aſtrologi dimoſtrare come i corpi celeſti concordano a mandar qua giu nel centro i
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                  diuini loro influßi, hanno pigliato alcune figure di Geometria tra ſe proportionate, & riſponden­
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                  ti. </s>
                  <s id="s.000552">La prima è quella, che ha tre anguli, & tre lati eguali, la ſeconda che ne ha quattro, la ter­
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                  za, che ne ha ſgi. </s>
                  <s id="s.000553">hanno poi miſurato gli angoli di quelle figure, & ritrouato tra quelli eſſere pro­
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                  portione, & corriſpondenza mirabile; & per quelle hanno giudicato la conformità, & conſo­
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                  nanza, che hanno le ſtelle nel mandar qua giu le loro diuine uirt uti, & per maggior chiarezza,
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                  io dico, che gli angoli ſi miſurano dalla circonferenza compreſa, che tengono le linee, che gli
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                  fanno. </s>
                  <s id="s.000554">Dico dapoi, che gli antichi chiamauano Aße ogni coſa intiera atta ad eßer miſurata, o
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                  partita, & la diuideuano in dodici parti. </s>
                  <s id="s.000555">L'una era detta onza; le due, ſeſtante: perche entra­
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                  uano ſei fiate nel tutto, che era dodici. </s>
                  <s id="s.000556">Le tre, quadrante, perche entrauano quattro fiate nel­
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                  l'Aße. </s>
                  <s id="s.000557">Le quattro triente, perche u'intrauano tre fiate. </s>
                  <s id="s.000558">& non denominauano altrimenti le cin­
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                  que, che Quincunce, perche non entrauano egualmente a far il tutto come le due, le tre, & le
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                  quattro. </s>
                  <s id="s.000559">Ma le ſei erano dette ſemißes, quaſi la metà dell'Aße. le ſette, ſettunce, per la iſteßa
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                  ragione delle cinque. </s>
                  <s id="s.000560">le otto, beßem, perche alli ſei ne aggiugneno duc. </s>
                  <s id="s.000561">Le noue dodrante, le dieci
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                  Deſtante, & le undeci deunce, perche in quelle non era moltiplicatione, nè aggiunta, che egual­
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                  mente entraße a finire le dodici. </s>
                  <s id="s.000562">Stando le coſe nel ſopradetto modo, io dico che lo angolo dritto
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                  del quadrato giuſto, & intiero occuperà dodici parti, l'angolo del triangulo, che èmaggiore, &
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                  piu largo ne abbraccera ſedici, l'angolo della figura di ſei, come piu ſtretto, ne tenirà otto. </s>
                  <s id="s.000563">lo an-
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                  </s>
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