Cardano, Girolamo, De subtilitate, 1663
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              rum inuicem comparauerit. </s>
              <s id="s.012054">Itaque in late­
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              ribus, vel angulis decliuiore loco foramen
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              aperitur exiguum, intus verò cauitas eſt in
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              tabula quantam volumus, imò plures inclu­
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              duntur pecuniæ, & cum cotto completur ca­
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              uitas, inde tenuiſſima ligni ſcobe, & albo oui
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              locus quà patet clauditur, vt etiam eum qui
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              clauſerit, fallat. </s>
              <s id="s.012055">Aliud Tabula ciuitati obdu­
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              citur ita arctè, vt rima non appareat. </s>
              <s id="s.012056">In fru­
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              ſto quòd amoueri poteſt cochlea parua è
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              metallo fœmina includitur, eíque clauus ſu­
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              perponitur: alij illi conſimiles per arcam
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              certo ordine diſponuntur, cùm reſerandus
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              eſt locus ſublato clauo, cochlea maſcula in­
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              truditur, fruſtúmque tabulæ auellitur. </s>
              <s id="s.012057">Sem­
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              per autem memineris, vt loci inanitas, cùm
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              quippiam impoſueris, ne reſonet, cotto, vel
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              alio molli tomento impleatur. </s>
              <s id="s.012058">Plures etiam
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              ſic latebras facere potes. </s>
              <s id="s.012059">Aliud optimum vt
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              nihil melius: Seram aut ferreas laminas, qui­
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              bus arcæ integumentum annectitur, clauis
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              in cochleæ formam aptatis tabulæ firmiter
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              iunges. </s>
              <s id="s.012060">Sub ſera, aut lamina oſtiola ſint ca­
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              uitatum: cùm reſerare volueris, ferrum ha­
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              beas vt à latere vides, in cuius extremo ca­
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              uitas ſit, quæ capita clauorum firmiter ap­
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              præhendat, ſic vt reuolui vi ſeram,
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              aut laminam ab arca diſiungi per­
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              mittant. </s>
              <s id="s.012061">Oportet autem vt opus
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              ſit ſtabile, clauis ſubigere cochleas
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              fœminas, quæ clauos arctè ſuſpi­
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              ciant, eáſque arcæ lateri ſub bracteis dictis
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              collocare. </s>
              <s id="s.012062">In arcis etiam quæ tela intus ob­
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              ducuntur, multi alij modi ſolent excogitari:
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              ſed in vniuerſum danda eſt opera, vt vel om­
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              ninò lateat foramen, vt primo exemplo do­
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              cuimus, vel vt firmiſſimo præſidio, & ſolita
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              bractea abſcondatur. </s>
              <s id="s.012063">Sic etiam magis late­
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              bit, & oſcula ſolubilis arcæ incertis tabula­
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              rum capitibus integantur.
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              Arca quæ
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              pecunias re­
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              condit
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              indicio.</s>
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              Demonſtra­
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              tio mirabilis
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              roboris axis,
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              in qua gem­
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              mæ ſculpun­
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              tur.</s>
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              <s id="s.012066">Sed ad rotarum hiſtoriam redeamus. </s>
              <s id="s.012067">Gem­
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              mæ cælantur ac terebrantur mira arte. </s>
              <s id="s.012068">Hæc
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              autem eſt: Rota magna lignea funiculo
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              circumambitur, eodémque rurſus parua, quæ
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              magnæ ſuperſtat, ea ratione qua à latere de­
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              ſcriptas vides. </s>
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              <s id="s.012069">Cùm igitur tanta portio ABC, quæ ſit
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              AB, quanta eſt DEF tota circumagitur ver­
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              titur G parua rota. </s>
              <s id="s.012070">Quoties igitur AB con­
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              tinetur in ABC, toties in vna conuerſione
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              rotæ maioris, quæ vocetur H, parua rota
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              DEF circumuerſabitur Igitur qualis propor­
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              tio magnitudinis ambitus H, vel axis ad am­
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              bitum G, vel axem, talis erit numeri reuolu­
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              tionem G, ad reuolutiones H: igitur G ma­
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              ximo impetu circumagetur, quia in breuiſſi­
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              mo temporis ſpatio: quare axis GK, terebra­
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              bit, & comminuet gemmas. </s>
              <s id="s.012071">Ea ratione factis
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              in G denticulis, qui axem alterius rotæ cir­
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              cumagant, dentibus illius impliciti quò rota
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              maior eſſet, eò velocius reuolueretur. </s>
              <s id="s.012072">Quare
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              ſæpius maioris rotæ ratione repetita tum
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              axis, fiet motus celerrimus, atque violentiſſi­
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              mus: ita tamen, vt vis quæ prima mouet, ro­
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              buſtiſſima ſit, rotæque leuiſſimæ. </s>
              <s id="s.012073">Eadem ſub­
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              tilitate vſi ſunt antiqui in ſtructura baliſta­
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              rum, quibus pilæ, & ſcorpionum, quibus ſa­
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              gittæ emittuntur: nam ſi nimium intendan­
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              tur, diſrumpuntur: ſi parum, ictus reddunt
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              inualidos: ergo ad modulum ducenda res.
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              </s>
              <s id="s.012074">Vitruius exiſtimat metam hanc à ſono de­
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              duci debere. </s>
              <s id="s.012075">Tanta verò vi impellebant hæ,
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              vt Ioſephus referat machina hominis calua­
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              riam excuſſam, ad tria ſtadia tranſlatam. </s>
              <s id="s.012076">Et
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              infantem è matris ventre ad ſtadij dimi­
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              dium. </s>
              <s id="s.012077">Adeò ſolers ingenium Romanorum
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              ad cædes, vt parum abfuerint à miraculis
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              noſtrorum fulminum. </s>
              <s id="s.012078">Et arietes in concu­
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              tiendis muris, incommodo, non vi, ceſſerunt
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              his. </s>
              <s id="s.012079">Exoleuerunt plura melioribus ſucceden­
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              tibus, alia per incuriam: quædam, quoniam
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              neque menſura vlla, neque pondus perpetuò
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              ſeruari poſſunt. </s>
              <s id="s.012080">Pondus enim certam præ­
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              ſupponit menſuram, menſura verò omnis
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              alicuius neceſſariò eſt menſura. </s>
              <s id="s.012081">Id cuius
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              menſura eſt, immutari non debet, ſi æterna
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              ſit futura menſura. </s>
              <s id="s.012082">Aut igitur quod mutari
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              non debet, cœleſte eſt, aut ex elementis, aut
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              elementum, vel pars eius. </s>
              <s id="s.012083">Quæ ex elementis,
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              iuxta materiæ multitudinem, aut paucita­
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              tem variantur, non ſolùm temporibus, ſed
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              locis & caſibus. </s>
              <s id="s.012084">Homines nunc (vt dixi) in
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              India inuenti proceri, atque gigantum for­
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              ma: alij adeò parui: vt pumiliones dicas. </s>
              <s id="s.012085">Et
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              Germani Italis maiores: & inter Germanos
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              menſura haud conſtat, nam & ex his parui
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              ſunt. </s>
              <s id="s.012086">Quid de lapidibus? </s>
              <s id="s.012087">an in metallis cer­
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              tam quæremus magnitudinem? </s>
              <s id="s.012088">Semina quo­
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              que variantur: nam triticum Turcium minus
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              longè eſt noſtro, ſed alterius forſan generis.
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              </s>
              <s id="s.012089">In Italia non vbique eiuſdem ponderis, aut
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              menſuræ, & in ſingulos mutatur annos. </s>
              <s id="s.012090">Et
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              in eodem aceruo non vnius eſt magnitudi­
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              nis. </s>
              <s id="s.012091">At nec in motu: quòd enim mouetur,
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              pondus eſt, aut maius, aut minus: at hoc non­
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              dum determinatum: aut animal: & hoc
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              quidem ſimili modo, aut maius, aut minus,
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              aut imbecille, aut robuſtum aut concitatum.
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              </s>
              <s id="s.012092">Sed neque in cœleſtibus: nam cùm ea ma­
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              xima ſint, qualia ſunt menſurari nequeunt,
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              non ſolùm ob magnitudinem, ſed & ob di
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              ſtantiam. </s>
              <s id="s.012093">Oportet igitur vt contrahentur:
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              quod autem contrahit, corruptioni obno­
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              xium eſt: tale autem non manet idem per
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              omnia tempora. </s>
              <s id="s.012094">Nulla igitur menſura, &
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              multò minus pondus vllum perpetuum dici
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              poteſt, & ad poſteros tranſire. </s>
              <s id="s.012095">Quæ igitur ad
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              poſteros tranſeunt, ſunt aut proportiones, &
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              hæ ſempiternæ: aut in molibus magnitudi­
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              nes, & cum his pondera: & hæc diu durant
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              per ſucceſſiones. </s>
              <s id="s.012096">Vt in Ægypti pyramidibus,
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              maximæ enim hæ fuerunt, ſicut & Labyrin­
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              thus Thebis, & inter ciuitates Cayrum, vt
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              ſuprà diximus, & inter flumina Nilus: qua­
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              tuor enim hæc maxima, ſola Ægyptus ha­
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              bet. </s>
              <s id="s.012097">Si igitur centeſimam altitudinis certæ </s>
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    </archimedes>
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