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

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                <pb xlink:href="018/01/108.jpg" pagenum="94"/>
              effata, quibus 30 milliaria Italica videntur
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              mediocris visûs diſtantia: quare multò pro­
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              babilior ei apparebat Macrobrii atque Era­
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              toſthenis ſententia diſtantiam huiuſmodi ſta,
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              ſtijs 180 definientium. </s>
              <s>Nos igitur ad exa­
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              minandum contulimus telluris ambitum ab
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              Eratoſthene conſtitutum, an cum illa ſemi­
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              diametto ſtadiorum 180 cohæreret:
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              Eui­
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              dentiſſimis
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              enim, vt Macrobius loquitur lib.
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              1. in ſomn. </s>
              <s>Scip. cap. 20.
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              & indubitabilibus
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              dimenſionibus conſtat vniuerſæ terræ ambitum,
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              quæ vbicunque vel incolitur, vel inhabitabilis
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              iacet, habere ſtadiorum millia ducenta quin­
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              quaginta duo.
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              <s> Cum verò huius peripheriæ
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              pars milleſima quadringenteſima ſint ſtadia
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              180, per quæ directa ab oculis acies pergit,
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              arcus BA gr.o.m.15.ſec.25. Ter. 42. &c. </s>
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              metitur angulum BCD in centro factum. </s>
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              At quoniam peripheria ponitur ſtad 252000
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              eſt diameter minor verâ ſtad. (80181 9/11), maior
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              autem verâ (80233 41/223): quarè ſumpto medio
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              Arithmetico e
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              diameter AC ſtad. </s>
              <s>80207 1/2,
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              & ſemidiameter CA ſtad. </s>
              <s>40103 3/4. Fiat igitur
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              vt CB 99998.99293. ſinus complementi
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              gr.o.m.15.ſec. 25. Ter.42. ad CD Radium
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              100000.00000, ita CB ſtad.40103 3/4 ad CD
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              ſtad, 40104, & ped.92. Demptâ autem CA </s>
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