Benedetti, Giovanni Battista de, Io. Baptistae Benedicti ... Diversarvm specvlationvm mathematicarum, et physicarum liber : quarum seriem sequens pagina indicabit ; [annotated and critiqued by Guidobaldo Del Monte]

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EPISTOL AE.
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                    <pb o="219" rhead="EPISTOL AE." n="231" file="0231" xlink:href="http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/163127KK/pageimg/0231"/>
                  clauus elicus vſque ad circulum
                    <var>.f.e.g.</var>
                  perueniens, æquatorem ſiſtere poſſit, ne circa
                    <lb/>
                  ſecundos polos
                    <var>.h.</var>
                  et
                    <var>.K.</var>
                  amplius moueatur quum noluerimus eum mutare ſitum.</s>
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                <head xml:id="echoid-head367" style="it" xml:space="preserve">Deuſu Armillæ nauticæ.</head>
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                  <s xml:id="echoid-s2740" xml:space="preserve">V Tautem noſtra Armilla nautica vti poſſimus pyxidem nos prius oportebit
                    <lb/>
                  habere, diuerſam tamen ab ijs, quibus nautæ hactenus vſi fuere: </s>
                  <s xml:id="echoid-s2741" xml:space="preserve">nolo
                    <lb/>
                  enim vt
                    <reg norm="tam" type="context">tã</reg>
                  craſſa minerua beneficio
                    <reg norm="ventorum" type="context">vẽtorum</reg>
                  communium circa hanc rem nos gera
                    <lb/>
                  mus, ſed ratione graduum orizontis in .360. partes diſtincti, atque ob hanc cauſam
                    <lb/>
                  ſentio, vt ima pars pyxidis penitus detecta videatur, & in .360. partes dinidatur,
                    <reg norm="nilque" type="simple">nilq́</reg>
                    <lb/>
                  aliud quam quandam lanceo lam ſupra eius acum eſſe volo, quæ dum mouebitur na
                    <lb/>
                  uis, per gradus quamlibet orizontis partem oſtendet; </s>
                  <s xml:id="echoid-s2742" xml:space="preserve">hos autem .360. gradus, ita ſe
                    <lb/>
                  habere volo, vt quęlibet quarta .90. contineat,
                    <reg norm="ſupputatioque" type="simple">ſupputatioq́;</reg>
                  à linea meridiana inci-
                    <lb/>
                  piat, & in verticali deſinat, vt huiuſmodi diuiſio cum ea, quæ eſt orizontis Armillæ
                    <lb/>
                  eadem ſit.</s>
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                <p>
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                    <reg norm="Pręſupponantur" type="context">Pręſupponãtur</reg>
                  nunc in globo duo loci extra æquatorem, & in diuerſis meridia-
                    <lb/>
                  nis quomodolibet a dinuicem diſtantes, à quorum vno ad alium ſit nauigandum iti-
                    <lb/>
                  nere quo ad fieri poterit breuiori, ideſt per gyrum circuli maioris, dixi autem extra
                    <lb/>
                  æquatorem, ideſt vt ambo, nec in æquatore, nec in uno
                    <reg norm="eodemque" type="simple">eodemq́;</reg>
                  meridiano
                    <reg norm="exiſtant" type="context">exiſtãt</reg>
                  ,
                    <lb/>
                  quia vt aliàs dixi in huiuſmodi locis, vnico tantum vento comite, iter conficere
                    <lb/>
                  poſſumus.</s>
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