De rerum varietate, libri XVII . his figu ris,dedudis lineis,& ubi linea?,plicis, ut ftatim ex corpori- bus inplana,& explanis in corporapofsinttfafmutari:adde turextremis angulis unci & fibulae,ut cum in corpuscoie- rint,firmiter maneat:unci ac fibube,ut firmiter contineant, permutato ordine coihtui debet, quod fi logiufculi fint ac ffnc1:i,recuruique,& longius aliquato pofiti, firmius conti- amu tytteex nCDUt:cum uero difteduntur, firmos efTe nccefTe eft,nefaci cjrcu n exci* icfrangantar:j(imueftibus obferuareoportet,quarpluso- neris ferut,tam exiguaobferuatio multu fa^pe incommodi toIlit,du
De rerum varietate, libri XVII . his figu ris,dedudis lineis,& ubi linea?,plicis, ut ftatim ex corpori- bus inplana,& explanis in corporapofsinttfafmutari:adde turextremis angulis unci & fibulae,ut cum in corpuscoie- rint,firmiter maneat:unci ac fibube,ut firmiter contineant, permutato ordine coihtui debet, quod fi logiufculi fint ac ffnc1:i,recuruique,& longius aliquato pofiti, firmius conti- amu tytteex nCDUt:cum uero difteduntur, firmos efTe nccefTe eft,nefaci cjrcu n exci* icfrangantar:j(imueftibus obferuareoportet,quarpluso- neris ferut,tam exiguaobferuatio multu fa^pe incommodi toIlit,du per hyeme laxatis uncis ueftes diffluut,uentusque frigetes occupas rigerefaciat, calidis uero n5 folumdolo- res,fed&abfcefTusexcitet. Sedcuralternailla pofitio fir- mior(na alioru ratio a fe eft manifefta)hocc6tingit,quonia laxatur unci propter uehemente motum & acceffum partis unius ad altera:at fic lmpeditur utruq,, quia fitus partiti per fe redus ad corpora redeo, cmoru afpeftus tum iu- cundus. ron L I B. XIII. C A P. L X 111. Cit ciidus,pra?fertim fi anguli gemis ornetur, tum etia utilis &admirati5e dignus propter corporu principaliu intelle£tu:iuuabit & ad iucunditate n* aeriis ac fpledidis coioribus igiturfaciIeformamus,triagulo ^quiJatero prius defcripto:inde >——/fmgulis lateribus p e^ualia XlC^YdLdiuifis,ducl-isq; lineis interipfas diuifiones quatuor^-gjateri triaguli atq; arquia-ouli mc-dius^^teri inunu erecli tetracedron co-ftituet, quatuorfblidis an-gulis, rotidemq;fuperficie bus ,utinfingulisfiguri$poflquam exacte defcripta?fuerint, quodfupereftfuperfi-ciei auferatur,utpartes ad amufsim qua? corpori coficiedofunt nece(Tari$,coirepofsint. Hexacedr5auteficdefcribc-mus,quadratuprim6c5ficiemus:&fuPUnuquodq;illiuslatus quadratu,atqi ita fient v. quadrata, demuetiam ex unaparte adiiciemus quadratii,ut in forma crucis euadat. Ergofimedio quadrato taquabafi rclicto , quatu
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