Guevara, Giovanni di
,
In Aristotelis mechanicas commentarii
,
1627
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gio applicatur vecti inter fulcimentum, & onus; nempe vbi
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malus ipſe vltimo intra corpus nauigij continetur, vt paulo
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ante deſcripſimus. </
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<
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id
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N13AB3
">Dum enim iactatur ſimul cum nauigio
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malus, ac propterea cogitur inclinari, obſtat quantum po
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teſt antenna in ſuperiori eius parte alligata tanquam onus
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incumbens, quod perpendiculariter ad mundi centrum gra
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uitans, reſiſtit inclinationi, ne contra propriam rectitudinem,
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ac naturalem propenſionem à perpendiculo deuians, obli
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què ad latera vergat. </
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<
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id
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">Magis autem, aut minus valet reſiſtere, iuxta maiorem,
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aut minorem diſtantiam, quam habet à ſede mali, vbi con
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ſtituitur centrum ipſius motus circularis, quem ad commo
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tionem nauigij per varios arcus conficit malus. </
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<
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id
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">Quo enim
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plus à centro, ſeu fulcimento diſceſſerit onus, eo difficilius
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dimouetur: diſtabit autem tanto magis à ſede mali, ac fun
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do nauis antenna, quantò altius ſublimatur. </
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<
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">Accedit quia
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ſimul magis diſtabit à parte vbi vis incutitur malo in ſum
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mo foramine nauis hinc inde illum impellentis: potentia
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verò remotius ab onere applicata, quàm à fulcimento ve
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ctis, minus illud mouere poteſt quando fulcimentum con
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ſtituitur in altero vectis extremo: Vt ſi quiſpiam extremo
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ſariſſæ alicubi obfirmato, ac manu prope ipſum extremum
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illi admota, aliquod pondus altero extremo dimouere co
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netur. </
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<
s
id
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N13AEB
">Antenna ergo remotiſſimè à loco vbi virtus impul
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ſiua in malo refunditur collocata, difficillimè commouetur,
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abbr
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proindeq
">proindeque</
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ſimul cum illa totum nauigium cuius commotio
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ni magis valebit obſtare. </
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<
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id
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">Quod ſanè verificatur in mediocri, vel modica fluctuum
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eleuatione, vt conſultò innuimus; alioquin nimis extuante
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mare,
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nimisq.
">nimisque</
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obtumeſcentibus vndis, dum validè iactatur
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nauigium, oppoſitum experimur. </
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<
s
id
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N13B03
">Tunc enim ſi antenna in
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illo
<
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diſtãtiori
">diſtantiori</
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>
ſitu conſtituatur, ac ſemel cum nauigio admo
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dum inclinetur malus, ad totalem potius euerſionem con
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duceret. </
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<
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id
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N13B10
">Quandoquidem linea perpendicularis, qua onus
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antennæ mundi centrum petit ob talem inclinationem, non
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caderet intra nauigium, ſed foris à latere, quò propenſius </
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