Fabri, Honoré, Tractatus physicus de motu locali, 1646

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            <pb pagenum="416" xlink:href="026/01/450.jpg"/>
            <p id="N2923E" type="main">
              <s id="N29240">Primò, occurrit preſſio, & dilatatio: </s>
              <s id="N29244">premitur corpus ab impetu
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              impreſſo à circumferentia ad centrum; </s>
              <s id="N2924A">ſic premitur aër, & aqua intra
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              vas; </s>
              <s id="N29250">dilatatur verò per impetum à centro ad circumferentiam; ſed mira­
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              biles ſunt preſſionis & dilatationis effectus, qui propterea librum ſingu­
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              larem deſiderant. </s>
            </p>
            <p id="N29258" type="main">
              <s id="N2925A">Secundò, intruſio, & extruſio: </s>
              <s id="N2925D">illa eſt impulſio introrſum; </s>
              <s id="N29261">hæc verò
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              extrorſum: </s>
              <s id="N29267">vtraque fit vt plurimùm cum preſſione; </s>
              <s id="N2926B">ſic defigîtur clauus;
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              vi mallei; </s>
              <s id="N29271">ſic excluditur alius: </s>
              <s id="N29275">ad intruſionem & extruſionem reuocari
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              poteſt ductus auri, vel argenti, vel alterius ductilis materiæ; ſed hunc
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              rei ductilis ſtatum Tomo quinto explicabimus cum alijs corporeum ſta­
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              tibus. </s>
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            <p id="N2927F" type="main">
              <s id="N29281">Tertiò, diſpoſitio fit per eiaculationem, vel minimarum partium, quæ
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              ſimul omnes vno iactu demittuntur manu; </s>
              <s id="N29287">ſit plura grana tritici vel
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              arenæ iaciuntur, vel alicuius corporis, cuius partes ſeparantur in ipſo
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              iactu; cur verò vna per hanc lineam, alia per aliam feratur, determi­
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              natur vel à concurſu cum alia parte, vel à ſitu, quem ſingulæ in iacien­
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              tis manu habebant priùs, vel ab ordine, quo ſingulæ proceſſerunt. </s>
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            <p id="N29293" type="main">
              <s id="N29295">Quartò, adductio ad tractionem reuocari poteſt; </s>
              <s id="N29299">ſunt tamen plures
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              illius modi; </s>
              <s id="N2929F">vel enim per meram tractionem; </s>
              <s id="N292A3">ſic adducitur clauus, vel
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              truncus, vel per circuitionem ſimplicem, ſic adducitur rotati baculi ex­
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              tremitas; vel per circuitionem mixtam: </s>
              <s id="N292AB">ſic adducitur extremitas funis
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              flagelli; vel cum aliquo iactu; </s>
              <s id="N292B1">ſic adducitur pulmentum vt in vaſe
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              optimè commiſceatur v.g. ſic coqui adducunt frixum & inuertunt, por­
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              recto tantillùm, tùm deinde rotato ſartaginis manubrio: </s>
              <s id="N292BB">ſi enim eſſet
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              vera rotatio, frixum per Tangentem erit; at verò propter motum rectum
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              poſt inuerſionem ab ipſa ſartagine minimè recedit. </s>
            </p>
            <p id="N292C3" type="main">
              <s id="N292C5">Quintò, ventilatio eſt motio, quâ frumentum excernitur vanno; </s>
              <s id="N292C9">van­
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              nus circuli eſt vulgare ſatis frumentarium organum duabus anſis inſtru­
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              ctum, quibus vibratur tùm in aduerſam partem, vt ipſo ſuccuſſu paleæ,
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              ariſtæ, & aliæ feſtucæ auolent; </s>
              <s id="N292D3">tùm dextrorſum ſiniſtrorſumque libratur
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              vt leuior materia extet; </s>
              <s id="N292D9">triticum enim grauius eſt; </s>
              <s id="N292DD">igitur deorſum ten­
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              dit; palea verò ſurſum; </s>
              <s id="N292E3">ideo verò attollitur, ſubſultatque triticum in van­
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              no, quia poſt impreſſum impetum per vibrationem ſurſum, manus ipſa
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              deorſum cum aliquo impetu truditur, in quo non eſt difficultas, alio
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              verò motu quaſi recto repit frumentum in vanni aluo, quia per addu­
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              ctionem vanni impulſæ priùs ſiniſtrorſum frumentum in eam partem
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              adhuc propter priorem impetum fertur; ſic cum nauis illicò ſiſtit in
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              potu, qui ſunt in ea & portum aſpiciunt, proni cadunt, de quo iam
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              ſuprà. </s>
            </p>
            <p id="N292F5" type="main">
              <s id="N292F7">Sextò, remigatio fit pellendo, trahendoque, de qua iam ſuprà Th. 6.
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              16.longior & latior remus maiorem vim aquæ impellit; </s>
              <s id="N292FD">difficiliùs taman
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              mouetur, quò maior eſt illius portio à centro motus verſus manum re­
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              migantis, faciliùs mouetur propter rationem vectis; </s>
              <s id="N29305">faciliùs mouetur, ſi
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              aduerſo flumine feratur nauis: </s>
              <s id="N2930B">ratio eſt, quia aqua pulſa verſus eam
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              partem, in quam fluit minùs reſiſtit, quando eundem remum tractant, </s>
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          </chap>
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