Cardano, Geronimo, Opvs novvm de proportionibvs nvmerorvm, motvvm, pondervm, sonorvm, aliarvmqv'e rervm mensurandarum, non solùm geometrico more stabilitum, sed etiam uarijs experimentis & observationibus rerum in natura, solerti demonstratione illustratum, ad multiplices usus accommodatum, & in V libros digestum. Praeterea Artis Magnae, sive de regvlis algebraicis, liber vnvs abstrvsissimvs & inexhaustus planetotius Ariothmeticae thesaurus ... Item De Aliza Regvla Liber, hoc est, algebraicae logisticae suae, numeros recondita numerandi subtilitate, secundum Geometricas quantitates inquirentis ...

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    <archimedes>
      <text>
        <body>
          <chap>
            <p type="main">
              <s id="id003365">
                <pb pagenum="196" xlink:href="015/01/215.jpg"/>
              ipſa diſcernitur ob paucitatem luminis proprij figuræ uarietas, &
                <lb/>
              ob id non apparet maior, imò minor aut mediæ quantitatis in op­
                <lb/>
              poſito Solis, ſed maxima in longitudinibus medijs, quoniam ibi
                <lb/>
              ſunt poli motus uarietatis ut dictum eſt, quę habet locum retro ceſ­
                <lb/>
              ſus, ſed ob motus paruitatem Luna non poteſt retrocedere, uerùm
                <lb/>
              ſolùm motus tardatur. </s>
              <s id="id003366">Nam licet denſitas ſit in cœlo ſuperiore &
                <lb/>
              motus uelox nihilominus efficit imaginem maiorem, ſicut apparet
                <lb/>
              de piſce in magna aqua in medio, & in parua in imo, nam in parua
                <lb/>
              uidetur longè maior quàm in magna, licet ſit in æquali diſtantia. </s>
              <s id="id003367">In
                <lb/>
              Venere autem & Mercurio eadem eſt ratio diſtantiæ à Sole ut di­
                <lb/>
              ctum eſt in præcedenti. </s>
              <s id="id003368">Cum ergo ſub Sole multum moueantur
                <lb/>
              motu differentiæ uel ſecundum ſucceſsionem, uel contra ſucceſ­
                <lb/>
              ſionem in medijs longitudinibus, parum tunc uidentur eſſe mino­
                <lb/>
              res, quia ſunt remotiores à polo orbis ſuperioris. </s>
              <s id="id003369">Quod autem pro
                <lb/>
              pinqui coniunctioni Solis, & ueloces uideantur minores, iſtud
                <lb/>
              contingit ob primam cauſam, quia minus illuminantur, ea parte
                <lb/>
              quæ ad nos uergit. </s>
              <s id="id003370">Reſtat ergo ſolum oſtendere cur propinqui
                <lb/>
              Soli & in retroceſſu
                <expan abbr="uideãtur">uideantur</expan>
              maiores, cùm utraque ratio obſtet, ſunt
                <lb/>
              enim remoti à polo orbis ſuperioris & propinqui Soli, cauſa eſt
                <lb/>
              quoniam apparent ſolùm in crepuſculis quando ſunt ſic diſpoſiti,
                <lb/>
              & tunc aër eſt craſsior. </s>
              <s id="id003371">Quæ cauſa facit, ut neque dum uelociſsimi
                <lb/>
              ſunt ſemper parui uideantur, ideò non poteſt conſtitui certa ratio.
                <lb/>
              </s>
              <s id="id003372">imò iſta deducta ſunt potius ex fundamento falſo illius figmen­
                <lb/>
              ti, quam ex ſenſu (ita enim argumentantur) retro cedunt, ergo ſunt
                <lb/>
              propinquiores terræ, ergo uidentur maiores, & ita fingunt ſen­
                <lb/>
              ſu ſehabere quod falſa ratione oſtendere uidentur. </s>
              <s id="id003373">quodque iſtud
                <lb/>
              ſit uerum, patet quia nullum
                <expan abbr="inſtrumẽtum">inſtrumentum</expan>
              etiam in aëre clariſsimo
                <lb/>
              Aegypti poteſt oſtendere differentiam minorem ſex minutis, &
                <lb/>
              hic eſt fermè diameter Mercurij, nec tanta eſt differentia in Venere.
                <lb/>
              </s>
              <s id="id003374">Reliquum eſt ut ſatisfaciamus obiectioni quam faciunt de diuer­
                <lb/>
              ſitate magnitudinis Lunæ propter eclipſim, nam uidetur eſſe ali­
                <lb/>
              quando maior, & aliquando minor in æquali diſtantia à ſectione
                <lb/>
              capitis & caudæ draconis, adeò ut non uideatur poſſe aſsignari. </s>
              <s id="id003375">di
                <lb/>
              co ergo huius cauſam eſſe umbram ipſius Lunæ dubiam, ſicut eti­
                <lb/>
              am in crepuſculis, quoniam Sol in diuerſo ſitu facit diuerſam um­
                <lb/>
              bram comparatione oculi noſtri, maior eſt enim in hyeme quàm
                <lb/>
              in æſtate, & quæ eſt propior nobis quàm quæ procul, & quæ eſt in
                <lb/>
              meridie quàm iuxta Ortum uel Occaſum, & ideò tam parua diffe­
                <lb/>
              rentia & incerta, & quæ aliquando uariat, nullo modo uitiare po­
                <lb/>
              teſt rationem motuum æternorum.</s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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