Cardano, Girolamo, De subtilitate, 1663
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              ita vt FD, circumagi poſſit verſus E, quan­
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              docunque FD, non prematur ab ED: nam
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              FD, orbiculo infigitur: tracta igitur CD, re­
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              labitur FD, verſus E, ſed tamen à latere
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              propter pondus, G, igitur ED, ferrum,
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              quod ab FD, retinebatur, relabetur ad la­
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              queare HE, trahens ſurſum DC. </s>
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              Inſtrumen­
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              tum quo tra­
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              hens trahi­
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              tur.</s>
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              <s id="s.012241">Inſtrumentum facilè hominem ſurſum
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              trahens: troclea cum vnco ferro, in ea orbi­
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              culus de more, circa quem funis, in fune
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              pondus A paulò minùs pondere corporis tui
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              ex altera parte baculus tranſuerſus B. </s>
              <s id="s.012242">Ergo
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              appenſo vnco trahes B, infra vt A, pondus
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              ſurſum aſcendat, & B, infrà perueniat. </s>
              <s id="s.012243">Inſi­
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              dens igitur B, & èx altera parte apprehenſa
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              AC manibus, quia A pondus paulò minùs
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              eſt pondere tui corporis, A deſcendet rurſus
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              te aſcendente facillimè: cùm libuerit deſ­
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              cendere, id ſpontè facies, cùm corpus tuum
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              grauius ſit, quàm A, igitur dimiſſa fune rap­
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              tim deſcendes. </s>
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              Inſtrumen­
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              tum, quo
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              quiſque ſei­
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              pſum ſurſum
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              trahit.</s>
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              <s id="s.012245">Aliud Agrippæ. </s>
              <s id="s.012246">Forcipes binos fabrica­
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              bat, ex toto ſibi inuicem ſimiles: vnius ima­
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              ginem in margine deſcriptam vides: KMO,
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              & LMN, chalybis fruſta iunguntur in M,
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              volubili circa clauum motu, perficiuntque
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              forcipem integrum vnum, ſupremæ partes
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              KM, & LM, ſic coëunt, vt dum conſtringun­
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              tur, altera alteram ſubingrediatur, formam
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              cochleæ referentes. </s>
              <s id="s.012247">Inter has funis iacet,
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              cùm vſus eſt. </s>
              <s id="s.012248">Cæterùm rectæ NM, & OM,
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              in imo
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              habent, cui funiculus validus
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              MO, intruditur. </s>
              <s id="s.012249">Vſus hic eſt: apprehenditur
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              (vt dixi) funis
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              KM, & LM,
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              NO, conſtringitur
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              impoſito pede ſuper
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              NO:
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              quantò grauius fuerit corpus, eò ma­
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              gis NO, ſinuabitur,
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              conſtringetur
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              funis à forcipe. </s>
              <s id="s.012250">Eò igitur tutior aſcenſus, quò
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              qui aſcendit, grauior eſt. </s>
              <s id="s.012251">Inde igitur forci­
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              pem alium cubito altius priore funi iunges,
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              impoſitoque pede dum reliquum tollis,
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              & forcipem ipſum inferiorem auferes, ſu­
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              praque ſecundum tantundem collocabis, at­
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              que ita tutus velut per ſcalam vſque ad ſum­
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              mum vnico fune cùm vncino, & duobus
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              forcipibus aſcendens: cochleæ enim forma
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              impedit, ne forceps imprudenter labatur per
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              funem. </s>
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              Inſtrumen­
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              tum aliud
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              Agrippæ ad
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              idem.</s>
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              <s id="s.012253">Hæc aſcendendi ratio, ſed ad aſcenden­
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              dum ſatis inepta, ſi ad alia inſtrumenta com­
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              paretur. </s>
              <s id="s.012254">Igitur ad deſcenſum, facillimum ex­
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              cogitauit modum. </s>
              <s id="s.012255">Cochleæ è chalybe, palmi
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              longitudine intùs inanis, ita vt funem HG,
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              poſſit excipere, vocetur AB, circa eam leuis
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              ex aurichalco capſula ſuprà, & infrà perfo­
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              rata: in imò eius appendices duo, in quibus
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              funiculi C, & D, ferreum ſuſtinentes
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              EF, cui cum deſcenſurus inſederit, celerrimè
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              deſcendet, & abſque vllo incommodo. </s>
              <s id="s.012256">Quòd
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              ſi vel funem G, trahat inferiùs, vel ad ſe
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              ABC, cochlea non deſcendet, quia per ex­
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              tenſionem facta recta GH, non permittit
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              cochleam labi. </s>
              <s id="s.012257">Similiter cùm ad ſe trahit G,
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              ſuperiuſque, vertitur, nullo modo deſcendet,
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              ſed quieſcet. </s>
              <s id="s.012258">Ergo & celerrimè deſcendet, &
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              facillimè quieſcet, nulloque labore. </s>
              <s id="s.012259">Sed
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              hoc & nautæ ſciunt, qui ſimplici bacillo in­
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              ſidentes ter aut quater illi circumacta fune
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              deſcendunt tenentes funem G, quam ſi ſen­
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              ſim demittant, deſcendunt, ſin trahant vehe­
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              mentiùs, quieſcunt ſedentes. </s>
              <s id="s.012260">Verùm hoc in­
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              tereſt, quòd qui baculo inſident, facilè
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              ,
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              quia inclinentur ob funis obliquitatem, niſi
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              experti, & audaces fuerint. </s>
              <s id="s.012261">At inſtrumentum
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              hoc, quod vidi, tractauique ſæpiùs, quòd
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                per</expan>
              habeat in æquilibrio EF, abſque timore
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              eſt, tutoque licet ei quemlibet quantumvis
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              inexpertum inſidere. </s>
              <s id="s.012262">Verùm poſtquam iam
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              machinarum, & ponderum ratio à me ſuffi­
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              cienter, explicata eſt, vt iam nil aliud adden­
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              dum videatur, vnius vulgaris
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              , ſed
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              mirabilis roboris ratio quærenda eſt? </s>
              <s id="s.012263">Hoc
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              vtuntur, qui ligna
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              , ſuſtinet­
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              que trabem, & in trabis cacumi­
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              ne hominem, tum etiam
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              ſerræ deſcendentis. </s>
              <s id="s.012264">Inſtrumen­
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              tum ABC, conſutis tignis ac
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              clauis ligneis firmatis. </s>
              <s id="s.012265">Sub B, &
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              & C pediculi palmo minores, quibus à terra
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              eleuatur A in terra poſito: DE, fibula ſu pe­
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              requitans trabem: quæritur, cur cum F,
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              grauior ſit longè, non eleuet A, & cadat?
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              </s>
              <s id="s.012266">Cauſa eſt, quia ſi parùm erigitur, pars quæ </s>
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