Schott, Gaspar, Mechanica hydraulico-pneumatica. Pars I. Mechanicae Hydraulico-pnevmaticae Theoriam continet. , 1657

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              Mundi, & Balianus lib 1. de Motu naturali gravium, Propoſit. 6.
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              (licet deinde lib. 4. à pag. 110. ad 113. aliter ſtatuat) & poſtipſos
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              Gaſſendus in Epiſtolis de motu impreſſo à motore, & Kirche­
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              rus in Muſurgia lib. 6. parte 1. Lemmate 3. & conſtat experien­
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                <arrow.to.target n="marg223"/>
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              tiâ. </s>
              <s>Numeri pariter impares ab unitate numerati, ſunt hi: 1,
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              3, 5, 7, 9, 11, 13, 15 &c. </s>
              <s>Itaque ſi grave aliquod deſcendens con­
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              ficit in primo minuto temporis unum ſtadium ſpatij; in ſecundo
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              minuto conficiet tria ftadia, in tertio quinque, in quarto ſe­
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              ptem, &c. </s>
              <s>Sic enim ſpatia æqualibus temporibus confecta,
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              erunt inter ſe, ut quadrata temporum: nam quadratum mi­
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              nuti primi eſt 1; & quadratum minuti ſecundi, 4; & quadra­
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              tum minuti tertij, 9; & quadratum minuti quarti, 16 &c. ut
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              apparet inappoſita tabella. </s>
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              Cùm igitur grave deſcen­
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              dens in primo minuto con­
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              ficiat unum ſpatium, & in
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              ſecundo minuto tria ſpatia,
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              quæ cum uno conficiunt
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              quatuor; & in tertio minu­
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              to quinque ſpatia, quæ cum
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              quatuor efficiunt novem; & in quarto minuto ſeptem ſpatia,
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              quæ cum novem efficiunt ſexdecim; & in quinto minuto no­
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              vem ſpatia, quæ cum ſexdecim efficiunt viginti quinque, &c.
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              apparet manifeſtè, ſpatia tranſmiſſa à gravi deſcendente, ha­
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              bere ſe, ut quadrata temporum æqualium, quibus percurrun­
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              tur illa ſpatia. </s>
              <s>In idem autem recidit, ſi dicas, ſpatia tranſ­
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              miſſa certis temporibus habere inter ſe duplicatam rationem
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              ſeu proportionem illius proportionis, quam habent tempora,
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              quibus ſpatia illa menſurata fuerint: nam tempus ſeu minutum
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              ſecundum ad primum, ut apparet ex tabella præcedente, ha­
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              bet rationem ſeu proportionem duplam, ſpatia verò ſecundo
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              minuto confecta, nempe 1 ad 3 (quæ ſimul juncta efficiunt 4)
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              ad primum minutum habent rationem duplicatam rationis
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              duplæ. </s>
              <s>Eadem eſt ratio de cæteris. </s>
              <s>Lege etiam Mundum </s>
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