in P , & producta occurrat TN in F , & pf tangat Ellipsin in p & producta occurrat eidem TN in f , conveniant autem hæ Tangentes in axe TQ ad Y ; & si ML designet spatium quod Luna in circulo revolvens, interea dum describit arcum PM , urgente & impellente vi prædicta 3 IT , motu transverso describere posset, & ml designet spatium quod Luna in Ellipsi revolvens eodem tempore, urgente etiam vi 3 IT , describere posset; & producantur LP & lp donec occurrant plano Eclipticæ in G & g ; & jungantur FG &
Table of Contents
SECT. IX.
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