Gravesande, Willem Jacob 's
,
Physices elementa mathematica, experimentis confirmata sive introductio ad philosophiam Newtonianam; Tom. 1
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PHYSICES ELEMENTA
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ſuum funem peculiarem, ſi ita diſponantur, ut in hac figura,
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multo magis actionem potentiæ augent. </
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plicatur pro unoquoque orbiculo, ita ut produobus ſit qua-
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drupla, pro tribus octupla, & </
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<
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tentia & </
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ſè, ut potentia ad pondus, in omnibus prædictis locum ha-
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bet.</
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<
s
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quitas diſcriminis adſerat, in ſequentibus videbimus.</
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<
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quintâ.</
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pondus magnum ſuſtineri aut elevari poſſit;</
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non reſtringitur Ars Mechanica: </
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in omni caſu augeri poſſunt; </
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peditat Cuneus, inſtrumentum findendo ligno, pluribuſque
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aliis uſibus, inſerviens.</
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<
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I.</
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fig. 6.</
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triangula æquicrura; </
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<
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2.</
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<
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3.</
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<
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4.</
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vertices, ut bf.</
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applicatur, & </
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<
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ictus mallei applicantur, percurſum, eſt altitudo cunei d b,
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quæ ideo proſpatio à potentia percurſo haberi debet; </
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