Acta eruditorum. · Lipsiae : Apud J. Grossium et J.F. Gletitschium · leaf 546
gitudo flani declinis ad perpendiculum , cujus contradi do riam fic demonftro, Sigraue conformatum in globum, nitatur plano horizontali, ra~ dius IK , perpendicularis horizonti, eft linea di¬ redionis per quam centrum Iexigit defcendere perpendiculariter- Si vero idem globus nita¬ tur duobus planis… … XC, ac radius IF, parallelus ad ZC, eft linea diredionis, refpedu defcenfus fuper ZC. Jam, ficutplanum horizontale, fuftinet pondus aequale mo¬ mento, quo globus exigit defcendere perpendiculariter ; quia globus momentum fimm totale cenfetur exercere in radio IK, planum vero horizontale, applicatum…
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