Vitruvius Pollio, I dieci libri dell?architettura, 1567

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                  <s id="s.004615">
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                  concento ſiriſolue. </s>
                  <s id="s.004616">De i ſuoni altri ſono eſtremi, altr di mezo nelle ordinanze. </s>
                  <s id="s.004617">De gli eſtremi altri
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                  ſono grauiſſimi, ſotto i quali non ſi ua piu baſſo; altri acutiſſimi, ſopra i quali piu alto non ſi ſale
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                  nelle perſette ordinanze. </s>
                  <s id="s.004618">Di quelli di mezo ſi puo dire, che ſiano graui, & acuti; graui riſpetto
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                  i piu alti, acuti riſpetto i piu baßi. </s>
                  <s id="s.004619">ſono adunque chiamati alti, & baßi in comparatione, come
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                  tra gli elementi l'acqua riſpeito alla terra, è lieue, riſpetto all'aere è graue, & coſi l'aere com­
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                  parato all'acqua è liggieri, comparato al fuoco è graue. </s>
                  <s id="s.004620">ma la terra è grauißima, & il ſuoco è
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                  leggieriſimo, perche a quella niente ſottogiace, a queſto niente ſopraſtà. </s>
                  <s id="s.004621">& forſe da queſta ſimi­
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                  glianz a è ſtata tratta la conſideratione delle prime quattro uoci, o tuoni che fanno il Teira­
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                  cordo. </s>
                  <s id="s.004622">I ſuoni acuti naſceno da ueloci & ſpeßi, i graui da, tardi et rari mouimenti: come per iſpe
                    <lb/>
                  rienza ſi proua, che una corda piu tirat a è piu ueloce, & una piu rimeſſa è piu tarda: ſimilmen­
                    <lb/>
                  te una corda tirata ſi moue con piu ſpeſſi mouimenti, che una rilaſciata. </s>
                  <s id="s.004623">Et ſe bene il mouimento
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                  pare un ſolo, non è però da credere, che egli ſia uno, ma molti, che per la grande preſtezza del moui
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                  mento pareno uno: come che una continua ritondità di fuoco, ci appare, quando una uerga acceſa
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                  da un capo è girata con gran celerità. </s>
                  <s id="s.004624">Hora dico, che i ſuoni ſono quindici, noi chiamamo uoci,
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                  come è quando dicemo quattro uoci piu in ſu, ſei uoci piu in giu, prender la uoce, dar la uoce, &
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                  ſimiglianti modi. </s>
                  <s id="s.004625">Greci chiamano Phtongi, latini ſuoni, dico adunque, che ſono quindici nella
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                  perfetta ordinanza, benche piu ne ſiano, come ſi uede nella mano, che paſſa le uenti uoci, & anche
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                  Vitr. ne pone diciotto; ma in che guiſa, io dirò poi. </s>
                  <s id="s.004626">Cominciarono a quattro uoci o ſuoni, & fe
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                  cero (dirò coſi) un Tetracordo, la prima uoce, che è la piu baſſa chiamarono ſecondo che porta­
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                  ua la natura della coſa, Hipate, cioè prima, la ſeconda parhipate, cioè uicina alla prima, la
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                  terza, paranete, cioè penultima, & la quarta, nete cioè ultima. </s>
                  <s id="s.004627">ecco con quanta facilità ſen­
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                  za uſare i nomi delle lingue ſtrane, la ragione, anzi la natura c'inſegna a trouare i uocaboli del­
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                  le coſe. </s>
                  <s id="s.004628">ma per che pure ſiamo obligati a gli antichi per la fatica, che banno fatto per noi nel tro­
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                  uare & aumentare le arti, & le ſcienze, però dichiarando i loro oſcuri uocaboli potremo ue­
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                  dere la inuention loro, & quella de i ſucceſſori fin al tempo noſtro. </s>
                  <s id="s.004629">Le quattro uoci adunque del
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                  Tetracordo poſſono eſſere chiamate uolgarmente in queſto modo, prima, preſſo prima, penulti­
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                  ma, & ultima. </s>
                  <s id="s.004630">Ma perche poi gli antichi non ſi ſono fermati in un tetracordo, ma hanno ag­
                    <lb/>
                  giunto piu ſuoni, portando coſi la natura delle coſe: però per la diuerſa comparatione di quelli,
                    <lb/>
                  hanno formato diuerſi nomi di ſuoni, finche dapoi l'hauer trouato, & poſto inſieme due, tre, &
                    <lb/>
                  quattro tetracordi, hanno fatto una ſcala, & una ordinanza perfetta. </s>
                  <s id="s.004631">chiamarono adunque
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                  nella perfetta ordinanza il primo ſuono, & la prima uoce piu baſſa, proslamuanomenos, cioè
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                  aſſonto, accettato ouero aggiunto appreſſo gli altri, perche non ha raccomunanza con alcuno de
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                  i Tetracordi, ma è accettato di fuori accioche egli corriſponda con la mezzana uoce dell'ordi­
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                  nanza. </s>
                  <s id="s.004632">Queſta uoce è poſta da i noſtri, in a. re. </s>
                  <s id="s.004633">ma perche anche quelli ne hanno aſſonto un'al­
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                  tra dalla parte piu baſſa, l'hanno chiamata Gamma ut. </s>
                  <s id="s.004634">ſignificandola con una lettera Greca,
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                  accioche ſi dinotaſſe, che ancho da loro foſſe ſtata aggionta quella uoce, & quel ſuono alla Ma­
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                  no, non uſando quella lettera nelle altre uoci della loro ordinanza. </s>
                  <s id="s.004635">& ſe Greci la haueſſero a
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                  chiamare per lo ſuo nome potriano chiamarla epiproslamuanomenos: ouero hypoprolamuanome
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                  nos, quaſi ſotto l'aſſenta. </s>
                  <s id="s.004636">Il ſecondo ſuono è detto hipaton. </s>
                  <s id="s.004637">però douemo ſapere, che ſe noi con
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                  ſideramo & ordinamo i Tetracordi ſeparatamente, ciaſcuno per ſe & non nella perfetta ordi­
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                  nanza, & compita ſcala: ſempre la prima corda, & piu graue è chiamata hipate (come ho
                    <lb/>
                  detto) cioè principali, o prima: ma come ſi mettono piu tetracordi inſieme, la prima cor­
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                  da ritiene il nome de hipate, ma ſe le aggiugne un altro nome, cioè hipaton, a differenza
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                  delle prime de i ſeguenti tetracordi, & ſi chiama hipate hipaton, cioè prima delle prime,
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                  & coſi la ſeguente ſi chiama parhipate hipaton, cioè preſſo prima delle prime, a differen­
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                  za delle ſeconde de gli altri tetracordi. </s>
                  <s id="s.004638">La terza è detta hiperparhipate, cioè ſopra la uicina
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                  all'bipate, percioche il ſuono di queſta, è piu alto della parhipate. </s>
                  <s id="s.004639">chiamaſi anche lichanos, cioè
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                  indice: perche ſi come il dito indice, ha diſtanza maggiore dal dito groſſo, & alcuna fiata mino-
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                  </s>
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    </archimedes>
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