Vitruvius, I Dieci Libri dell' Architettvra di M. Vitrvvio, 1556

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          <pb o="239" file="0249" n="258" rhead="NONO."/>
          <figure number="140">
            <variables xml:id="echoid-variables61" xml:space="preserve">♋ ♌ ♍
              <unsure/>
            ♎ ♏ ♐ 8 7 6 5 4 3 2 1 a e 12 a 11 10 9 8 7 6 5 4 ♊ ♉ ♈ ♓ ♒ ♑</variables>
          </figure>
          <p style="it">
            <s xml:id="echoid-s20400" xml:space="preserve">Da queste diſſegnationi ſi poſſono trarre molti Analemmi, & </s>
            <s xml:id="echoid-s20401" xml:space="preserve">molte deſcrittioni di Horologi. </s>
            <s xml:id="echoid-s20402" xml:space="preserve">Fatto il Zodiaco triangolare al modo ſoprapoſto
              <lb/>
            ueniremo à i Zodiachi particolari, per fare gli horalogi Orizontali, & </s>
            <s xml:id="echoid-s20403" xml:space="preserve">Verticali. </s>
            <s xml:id="echoid-s20404" xml:space="preserve">Sia adunque il Zodiaco ſopra il centro a la cui linea di
              <lb/>
            mezzo, che è lo raggio Equinottiale, & </s>
            <s xml:id="echoid-s20405" xml:space="preserve">ſerue al Montone, & </s>
            <s xml:id="echoid-s20406" xml:space="preserve">alla Bilancia ſia a g. </s>
            <s xml:id="echoid-s20407" xml:space="preserve">dapoi taglierai la linea a g nel punto a con una dritta li-
              <lb/>
            nea a h. </s>
            <s xml:id="echoid-s20408" xml:space="preserve">dapoi piglia dal fondamento ſopraposto lo ſpacio d f. </s>
            <s xml:id="echoid-s20409" xml:space="preserve">è poſto l’un piede della ſeſta nel punto a. </s>
            <s xml:id="echoid-s20410" xml:space="preserve">& </s>
            <s xml:id="echoid-s20411" xml:space="preserve">l’altr o uerſo lo h. </s>
            <s xml:id="echoid-s20412" xml:space="preserve">farai il punto b. </s>
            <s xml:id="echoid-s20413" xml:space="preserve">Si-
              <lb/>
            milmẽte piglia dal fondamẽto lo ſpacio c f. </s>
            <s xml:id="echoid-s20414" xml:space="preserve">& </s>
            <s xml:id="echoid-s20415" xml:space="preserve">posto un piede della ſeſta nel punto a. </s>
            <s xml:id="echoid-s20416" xml:space="preserve">l’altro stẽder ai uerſo il punto g. </s>
            <s xml:id="echoid-s20417" xml:space="preserve">& </s>
            <s xml:id="echoid-s20418" xml:space="preserve">ſa nota c. </s>
            <s xml:id="echoid-s20419" xml:space="preserve">di nouo poni un
              <lb/>
            piede della ſeſta nel fondamẽto nel punto c. </s>
            <s xml:id="echoid-s20420" xml:space="preserve">eſtẽdi l’altro doue la linea della prima hora tocca la linea K l. </s>
            <s xml:id="echoid-s20421" xml:space="preserve">& </s>
            <s xml:id="echoid-s20422" xml:space="preserve">quello ſpacio ripporta dallo a uerſo
              <lb/>
            il g. </s>
            <s xml:id="echoid-s20423" xml:space="preserve">facendo un punto ſu la linea a g. </s>
            <s xml:id="echoid-s20424" xml:space="preserve">di nouo piglia dal fondamẽto lo ſpacio dal c. </s>
            <s xml:id="echoid-s20425" xml:space="preserve">al tagliamẽto della linea K l. </s>
            <s xml:id="echoid-s20426" xml:space="preserve">dell’hora ſeconda, & </s>
            <s xml:id="echoid-s20427" xml:space="preserve">ripportelo
              <lb/>
              <note position="left" xlink:label="note-0249-01" xlink:href="note-0249-01a" xml:space="preserve">40</note>
            dallo a. </s>
            <s xml:id="echoid-s20428" xml:space="preserve">uerſo il g. </s>
            <s xml:id="echoid-s20429" xml:space="preserve">è ſa un punto come prima, & </s>
            <s xml:id="echoid-s20430" xml:space="preserve">coſi ripporter ai dal fondamẽto tutti gli ſpatij delle altre hore, nella linea a g. </s>
            <s xml:id="echoid-s20431" xml:space="preserve">finalmente poſta la
              <lb/>
            regola da una parte ſopra il punto b. </s>
            <s xml:id="echoid-s20432" xml:space="preserve">del tuo Zodiaco, & </s>
            <s xml:id="echoid-s20433" xml:space="preserve">dall’ altra ſopra il punto c. </s>
            <s xml:id="echoid-s20434" xml:space="preserve">e tirata una linea al raggio Brumale del tuo Zodiaco,
              <lb/>
            ſcriui 12. </s>
            <s xml:id="echoid-s20435" xml:space="preserve">dapoi con la iſteſſa legge poſta la regola ſopra b. </s>
            <s xml:id="echoid-s20436" xml:space="preserve">& </s>
            <s xml:id="echoid-s20437" xml:space="preserve">ſopra il punto, che ſeguita il punto c. </s>
            <s xml:id="echoid-s20438" xml:space="preserve">nella linea a g. </s>
            <s xml:id="echoid-s20439" xml:space="preserve">tira una linea per l’ho-
              <lb/>
            ra undecima, & </s>
            <s xml:id="echoid-s20440" xml:space="preserve">il ſimile farai con le linee delle altre hore, ma la linea dell’hora ſeſta è paralella alla linea a g. </s>
            <s xml:id="echoid-s20441" xml:space="preserve">ma per l’hora quinta, e
              <lb/>
            ſeſta piglia la diſtanza dell’hora ſettima, et otta-
              <lb/>
            ua, & </s>
            <s xml:id="echoid-s20442" xml:space="preserve">la longhezza dello ſtilo e la linea e a. </s>
            <s xml:id="echoid-s20443" xml:space="preserve">ti-
              <lb/>
              <figure xlink:label="fig-0249-02" xlink:href="fig-0249-02a" number="141">
                <variables xml:id="echoid-variables62" xml:space="preserve">b b a e e d c 12 11 10 4 5 6 7 8 9 ♊ ♈ ♉ ♓ ♒ ♑ ♋ ♌ ♍ ♎ ♏ ♐</variables>
              </figure>
            rata ad anguli dritti ſopra la b c. </s>
            <s xml:id="echoid-s20444" xml:space="preserve">& </s>
            <s xml:id="echoid-s20445" xml:space="preserve">questo Zo-
              <lb/>
            diaco ci ſerue per l’horologio Orizontale, ma
              <lb/>
            per l’horologio del muro farai un’altro Zodia-
              <lb/>
            co pigliando dal fondamento la diſtanza e f. </s>
            <s xml:id="echoid-s20446" xml:space="preserve">& </s>
            <s xml:id="echoid-s20447" xml:space="preserve">
              <lb/>
              <note position="left" xlink:label="note-0249-02" xlink:href="note-0249-02a" xml:space="preserve">50</note>
            ponendola dallo a uerſo lo h. </s>
            <s xml:id="echoid-s20448" xml:space="preserve">nel punto b. </s>
            <s xml:id="echoid-s20449" xml:space="preserve">dapoi
              <lb/>
            piglia la diſtanza h c e ponla dallo a uerſo g. </s>
            <s xml:id="echoid-s20450" xml:space="preserve">& </s>
            <s xml:id="echoid-s20451" xml:space="preserve">
              <lb/>
            oue termina pom c. </s>
            <s xml:id="echoid-s20452" xml:space="preserve">dapoi ſtendi la ſeſta dal pun
              <lb/>
            to c al punto dell’hora prima nel fondamento nel
              <lb/>
            la linea m n. </s>
            <s xml:id="echoid-s20453" xml:space="preserve">& </s>
            <s xml:id="echoid-s20454" xml:space="preserve">trapporta quella diſtanza nella
              <lb/>
            linea a g. </s>
            <s xml:id="echoid-s20455" xml:space="preserve">ſimilmente farai con le diſtanze delle
              <lb/>
            altre hore come di ſopra s’è detto, ma c’è questa
              <lb/>
            distanza nel Zodiaco per lo muro, che non ſi
              <lb/>
            paſſa l’hora ſeſta nel muro per la ragion ante-
              <lb/>
            detta, & </s>
            <s xml:id="echoid-s20456" xml:space="preserve">ancho i ſegni del Zodiaco murale uan-
              <lb/>
              <note position="left" xlink:label="note-0249-03" xlink:href="note-0249-03a" xml:space="preserve">60</note>
            no al contrario de i ſegni del Zodiaco Orizon-
              <lb/>
            tale, perche@doue è qui il Cancro, iui ė il Capri-
              <lb/>
            corno, & </s>
            <s xml:id="echoid-s20457" xml:space="preserve">coſi ua per ordine. </s>
            <s xml:id="echoid-s20458" xml:space="preserve">Hor per ſegnare
              <lb/>
            l’horologio Orizontale con i dodici ſegni, tira le
              <lb/>
            linee delle hore (come ho detto di ſopra) & </s>
            <s xml:id="echoid-s20459" xml:space="preserve">doue
              <lb/>
            la linea dell’hora duodecima, & </s>
            <s xml:id="echoid-s20460" xml:space="preserve">la linea dell’hora
              <lb/>
            ſeſta ſi tagliano fa punto a. </s>
            <s xml:id="echoid-s20461" xml:space="preserve">dapoi trapporta dal
              <lb/>
            Zodiaco Orizontale le distanze de i parelelli de
              <lb/>
            i ſegni à questo modo piglia con la ſeſta la diſtan
              <lb/>
            z a b d. </s>
            <s xml:id="echoid-s20462" xml:space="preserve">& </s>
            <s xml:id="echoid-s20463" xml:space="preserve">trapportela dal pnnto a nella linea
              <lb/>
              <note position="left" xlink:label="note-0249-04" xlink:href="note-0249-04a" xml:space="preserve">70</note>
            dell hora duodecima, & </s>
            <s xml:id="echoid-s20464" xml:space="preserve">iui fa il punto. </s>
            <s xml:id="echoid-s20465" xml:space="preserve">dapoi
              <lb/>
            trapporta la distanza b. </s>
            <s xml:id="echoid-s20466" xml:space="preserve">& </s>
            <s xml:id="echoid-s20467" xml:space="preserve">della la linea della
              <lb/>
            undecima hora ſopra la linea del Cancro del Zo
              <lb/>
            diaco trapportela dico alla linea dell’hora pri-
              <lb/>
            ma, & </s>
            <s xml:id="echoid-s20468" xml:space="preserve">undecima del tuo horologio, & </s>
            <s xml:id="echoid-s20469" xml:space="preserve"/>
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