Newton, Isaac, Philosophia naturalis principia mathematica, 1713

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                  <s>
                    <pb xlink:href="039/01/350.jpg" pagenum="322"/>
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                  frigus reducitur. </s>
                  <s>Antequam caderent, immergebantur penitus in
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                  aquam; ne pondere partis alicujus ex aqua extantis deſcenſus eo­
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                  rum ſub initio acceleraretur. </s>
                  <s>Et ubi penitus immerſi quieſcebant,
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                  demittebantur quam cautiſſime, ne impulſum aliquem a manu de­
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                  mittente acciperent. </s>
                  <s>Ceciderunt autem ſucceſſive temporibus
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                  oſcillationum 47 1/2, 48 1/2, 50 & 51, deſcribentes altitudinem pedum
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                  quindecim & digitorum duorum. </s>
                  <s>Sed tempeſtas jam paulo frigi­
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                  dior erat quam cum globi ponderabantur, ideoQ.E.I.eravi experi­
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                  mentum alio die, & globi ceciderunt temporibus oſcillationum
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                  49, 49 1/2, 50 & 53, ac tertio temporibus oſcillationum 49 1/2, 50, 51
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                  & 53. Et experimento ſæpius capto, Globi ceciderunt maxima
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                  ex parte temporibus oſcillationum 49 1/2 & 50. Ubi tardius ce­
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                  cidere, ſuſpicor eoſdem retardatos fuiſſe impingendo in latera
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                  vaſis. </s>
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                <p type="margin">
                  <s>
                    <margin.target id="note330"/>
                  DE MOTU
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                  CORPORUM.</s>
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                <p type="main">
                  <s>Jam computum per Theoriam ineundo, prodeunt pondus globi
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                  in vacuo 139 2/5 granorum. </s>
                  <s>Exceſſus hujus ponderis ſupra pondus
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                  globi in aqua (132 11/40)
                    <emph type="italics"/>
                  gran.
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                  Diameter globi 0,99868
                    <emph type="italics"/>
                  dig.
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                  Octo ter­
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                  tiæ partes diametri 2,66315
                    <emph type="italics"/>
                  dig.
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                  Spatium 2 F 2,8066
                    <emph type="italics"/>
                  dig.
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                  Spatium
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                  quod globus pondere 7 1/8 granorum, tempore minuti unius ſe­
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                  cundi abſque reſiſtentia cadendo deſcribit 9,88164
                    <emph type="italics"/>
                  dig.
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                  Et tempus
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                  G 0″,376843. Globus igitur, velocitate maxima quacum poteſt in
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                  aqua vi ponderis 7 1/8 granorum deſcendere, tempore 0″,376843 de­
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                  ſcribit ſpatium 2,8066 digitorum, & tempore 1″ ſpatium 7,44766 di­
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                  gitorum, & tempore 25″ ſeu oſcillationum 50 ſpatium 186,1915
                    <emph type="italics"/>
                  dig.
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                  Subducatur ſpatium 1,386294 F, ſeu 1,9454
                    <emph type="italics"/>
                  dig.
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                  & manebit ſpa­
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                  tium 184,2461
                    <emph type="italics"/>
                  dig.
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                  quod globus eodem tempore in vaſe latiſſimo
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                  deſcribet. </s>
                  <s>Ob anguſtiam vaſis noſtri, minuatur hoc ſpatium in ra­
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                  tione quæ componitur ex ſubduplicata ratione orificii vaſis ad
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                  exceſſum hujus orificii ſupra ſemicirculum maximum globi, & ſim­
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                  plici ratione ejuſdem orificii ad exceſſum ejus ſupra circulum ma­
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                  ximum globi; & habebitur ſpatium 181,86 digitorum, quod glo­
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                  bus in hoc vaſe tempore oſcillationum 50 deſcribere debuit per
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                  Theoriam quamproxime. </s>
                  <s>Deſcripſit vero ſpatium 182 digitorum
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                  tempore oſcillationum 49 1/2 vel 50 per Experimentum. </s>
                </p>
                <p type="main">
                  <s>
                    <emph type="italics"/>
                  Exper.
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                  5. Globi quatuor pondere 154 1/8
                    <emph type="italics"/>
                  gran.
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                  in aere & 21 1/2
                    <emph type="italics"/>
                  gran.
                    <emph.end type="italics"/>
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                  in aqua, ſæpe demiſſi, cadebant tempore oſcillationum 28 1/2, 29,
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                  29
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                  & 30, & nonnunquam 31, 32 & 33, deſcribentes altitudinem
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                  pedum quindecim & digitorum duorum. </s>
                </p>
                <p type="main">
                  <s>Per Theoriam cadere debuerunt tempore oſcillationum 29
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                  quamproxime. </s>
                </p>
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