Monantheuil, Henri de, Aristotelis Mechanica, 1599
page |< < of 252 > >|
1puncto i ex reuolutione maioris, & b tanget in q: ſicque q i & h
z
cum ſint æquales & parallelæ, duæ rurſus h q & z i erunt pa­
rallelæ.
Quæ autem ratio eſt quartarum circulorum inter ſe, eadem
eſt totorum.
Partes enim cum pariter multiplicibus eandem ratio­
nem habent prop. 15. lib. 5.
Igitur in vtroque modo orbitæ concen­
tricorum inæqualium ſunt æquales.
Atque id nulla.] Cauſam admirabilis huius aduentus, quæ
adferri potuiſſet, In primò quidem modo ex tarditate & mora
maioris circuli in quibuſdam rectæ lineæ punctis, dum minor
circulus ipſam peragrat: In ſecundo verò modo ex tranſultu minoris
quaſi exiliat, nec ſimul omnia puncta rectæ attingat: ſed tranſiliat
minor, dum maior contra omnia attingat peragrando, reijcit, mo­
ramque nullam in hoc intercedere, neque tranſultum in iſto: ſed
vtriuſque continuas motiones eſſe dicit, quia vnica latio eſt.
e)/ti de\ mia=s kinh/sews ou)/shs a)ei\ to\ ke/ntron
to\ kinou/menon o(te\ me\n th\n mega/lhn o(te\ de\ th\n e)la/ttona
e)kkuli/esqai qaumasto/n.
to\ ga\r au)to\ tw=| au)tw=| ta/xei fero/menon
i)/shn pe/fuke diecie/nai: tw=| au)tw=| de\ ta/xei i)/shn e)sti\
kinei=n a)mfotera/kis.
a)rxh\ de\ lhpte/a h(/de peri\ th=s ai)ti/as
au)tw=n, o(/ti h( au)th\ du/namis kai\ i)/sh to\ me\n bradu/teron
kinei= me/geqos, to\ de\ taxu/teron.
ei) dh/ ti ei)/h o(\ mh\ pe/fuken
u(f' e(autou= kinei=sqai, e)a\n tou=to a(/ma kai\ au)to\ kinh=| to\ pefuko\s
kinei=sqai, bradu/teron kinhqh/setai h)\ ei) au)th\ kaq'
au(th\n e)kinei=to.
kai\ e)a\n me\n pefuko\s h)=| kinei=sqai, mh\ sugkinh=tai
de\ mhqe/n, w(sau/tws e(/cei.
kai\ a)du/naton dh\ kinei=sqai
ple/on h)\ to\ kinou=n: ou) ga\r th\n au(tou= kinei=tai ki/nhsin, a)lla\
th\n tou= kinou=ntos.
ei)/h dh\ ku/klos o( me\n mei/zwn to\ *a, o( de\
e)la/ttwn e)f' w(=| *b. ei) w)qoi/h d' o( e)la/ttwn to\n mei/zw, mh\
kuliome/nou au)tou=, fanero\n o(/ti tosou=ton di/eisi th=s eu)qei/as
o( mei/zwn, o(/son e)w/sqh u(po\ tou= e)la/ttonos. tosou=ton de/ ge
e)w/sqh o(/son o( mikro\s e)kinh/qh. i)/shn a)/ra th=s eu)qei/as dielhlu/qasin.

a)na/gkh toi/nun kai\ ei) kulio/menos o( e)la/ttwn to\n
mei/zw w)qoi/h, kulisqh=nai me\n a(/ma th=| w)/sei, tosou=ton d' o(/son
o( e)la/ttwn e)kuli/sqh, ei) mhqe\n au)to\s th=| au)th=| kinh/sei kinei=tai.

w(s ga\r kai\ o(/son e)ki/nei, tosou=ton kekinh=sqai a)na/gkh
to\ kinou/menon u(p' e)kei/nou. a)lla\ mh\n o(/ te ku/klos tosou=ton
e)ki/nhse to\ au)to/, ku/klw| te kai\ podiai/an [1e)/stw ga\r tosou=ton
o(\ e)kinh/qh]1, kai\ o( me/gas a)/ra tosou=ton e)kinh/qh.
o(moi/ws
de\ ka)\n o( me/gas to\n mikro\n kinh/sh|, e)/stai kekinhme/nos o( mikro\s
w(s kai\ o( mei/zwn.
kaq' au(to\n me\n dh\ kinhqei\s o(poterosou=n,
e)a/n te taxu\ e)a/n te brade/ws: tw=| au)tw=| de\ ta/xei
eu)qu\s o(/shn o( mei/zwn pe/fuken e)celixqh=nai grammh/n.
Præterea vnica latione
exiſtente centrum ſemper con­
tinuè
motum, aliquando
quidem per maiorem, aliquan­
do verò per minorem con­
uolui eſt admirabile.
I dem
enim eadem celeritate latum
æqualem tranſire natum eſt.
Eadem autem celeritate per
æqualem vtro que modo mo­
uere licet.
Cæterum princi­
pium ſumatur ex vtriuſque
cauſa, quod eadem vis, &
æqualis vnam quidem ma­
gnitudinum
tardius: alteram
celerius moueat.
Si quid
enim fuerit non à ſeipſo
moueri natum, & ipsum aliud
quod moueri natum ſit mo­
uerit, tardius mouebitur:
quam ſi ipsum per ſe moueretur.

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