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modiolum retro volvemus quod fu-perest funis ad ^quipondium annexi,sicque propositum finem aflequemur.Si praeterea bis terve ire& redire ar-culam voluerimus, toties eadem arteuremur. Hoc pacto templa ope laxa-mentorum &c glomotum, qua longi-tudine voluerimus, moveri curabi-mus. Fingatur arcula cum tubo, visitex transverso; sitque arcula -\ a -> ^modiolus 5, tubus t, funis a/ 3 , tro-chlea 4 , aequipondium <?, &: annulusei conjunctus e.

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