telligetur. Secabo more meo Difcurfum, quem Auctor conti-nua oratione pertexic > in varios paragi aphos»& numeros. Sicicaquo §♦ I. ConftruclioSpiraejquaperennismo-tus tencari queao*videico- CPiramsquamhicdefcribimus, ita accommodabimus, utglo-xxxv Dum fcrat^cujus diameter fit… … Mirabilium Mcchanicorurn. 41 $ tium 30000,*ejusq;medietas F A} vel FB partium 15000. Primb.BA producatur verfus A, CB verfus B, DC verfusC,& ADverius D. Secundb. F G fumatur asqualis femiunciae partiurrL»50000; & per G ducatur GM, parallela ipfi AD, intelligatur-queUorizonti parallela_>.…
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![An illustration from Mundus subterraneus, in XII libros digestus : qvo divinum subterrestris mundi opificium, mira ergasteriorum naturae in eo distributio, verbo [pantamorphon] Protei regnum, universae denique naturae majestas & divitiae summa rerum varietate exponuntur, abditorum effectuum causae acri indagine inquistae demonstrantur, cognitae per artis & naturae conjugium ad humanae vitae necessarium usum vario experimentorum apparata, necnon novo modo & ratione applicantur. Ad Alexandrum VII. pont. opt. max. (1678)](https://img.insideoutlibrary.com/img/200/ia-mundussubterrane02kirc-145-104.webp)
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