Casati, Paolo, Terra machinis mota : dissertationes geometricae, mechanicae physicae hydrostaticae

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              partium 22937790.44152, quæ eſt Secans
                <lb/>
              gr.89.m.45.ſec.o.Ter.43. Quar. 53. &c. </s>
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                <lb/>
              hoc eſt anguli ISC: atque adeò eius comple­
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              mentum SCI erit gr.o.m.14.ſec.59. Ter.
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              16. Quar. 7. quem metitur arcus OK ſtad. </s>
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              150. Fiat demùm vt arcus OK inuentus
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              ſcrupulorum Quart. 3237367 ad ſtadia 150,
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              ita totius circuli ambitus ſcrupulorum Quart.
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              4665600000. ad ſtadia 216175 (67/100), hoc eſt,
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              neglectâ fractione, milliaria Rom. antiquą
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              25941. Quapropter ſingulis gradibus mill.
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              Rom. 72. paſſ.58 reſpondent. </s>
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              <s>Porrò inuentâ peripheriâ, ſi fiat vt 22 ad 7 </s>
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              ita mill. 25941. ad mill. 8253 (21/22), habetur
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              diameter proximè minor verâ; & ſi fiat vt
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              223 ad 71 ita mill. 25941. ad mill. 8259 (54/223),
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              diametrum verâ proximè maiorem reperi­
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              mus: & electo medio Arithmetico rectè ſta­
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              tuitur terræ diameter mill. Rom. ant. </s>
              <s>8255.
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              paſſ 644, ideòque ſemidiameter mill. 4127.
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              paſſ. </s>
              <s>822. Quod ſi libeat exactiùs operari,
                <lb/>
              quoniam circuli diametro poſitâ 1, perime­
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              ter polygoni laterum 2560 circulo circum­
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              ſcripti minor eſt quàm 3 (14160/100000), perimeter ve­
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              rò inſcripti maior eſt quàm 3 (14159/100000); fiat pri­
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              mò vt 3. 14160. ad 1, ita mill. 25941 ad
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              mill.8257.paſſ.257, quæ eſt diameter mi- </s>
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