Stevin, Simon
,
Mathematicorum hypomnematum... : T. 4: De Statica : cum appendice et additamentis
,
1605
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A*DDITAMENTI* S*TATICÆ PARS SECUNDA*
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fuſius explicem, ſunto D, E extimi ejus contactus contra orbiculum A; </
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G, H funis novifſimi contactus contra trochleam ſupremam, itemq́ue L, M,
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contactus trochleæ ultimæ atque N ſit loco contactuum G, H, interme-
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dio, ſic O inter I K. </
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ipſi H F æquetur; </
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N G P pondere & </
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<
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">adeò ut ad pondus datum & </
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tem trochleæ accedant inſuper ſemicircularia funis ſegmenta L M, D E, cum
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recto ſegmento D Q.</
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<
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">Denique animadvertito cum trochlearum ope quid attollitur, ut pars com-
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moti funis in aëre ſuſpenſus à ſolo abſit: </
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">quanta erit iſtius ductorii funis gravi-
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tas, tantò minori potentia ductori opus eſſe.</
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in obliquum
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@mmovisht</
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mati, ſolummodo hîc manus F non recta ſurſum ſed obliquè & </
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nihil commoveatur; </
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tur, per 5 conſectariũ primæ partis hujus ad Staticam additamenti pateſcet. </
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@t explicatione fiat illuſtrius; </
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