Fabri, Honoré, Tractatus physicus de motu locali, 1646

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            <p id="N28568" type="main">
              <s id="N28594">
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              les, quæ omnia facilè intelliguntur ex dictis; </s>
              <s id="N2859D">itaque habes 4. combina­
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              tiones duorum malleorum; </s>
              <s id="N285A3">vel enim eſt idem pondus vtrique, & ea­
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              dem longitudo, vel idem pondus, ſed diuerſa longitudo, vel eadem lon­
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              gitudo & diuerſum pondus, vel diuerſum pondus & diuerſa longitudo;
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              ſi verò eſt diuerſa longitudo ſimul, & diuerſum pondus, vel eidem ineſt
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              maius pondus, & maior longitudo, vel maior longitudo, & minus pon­
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              dus, & contrà alteri minor longitudo, & minus pondus, vel maius pon­
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              dus, & minor longitudo, quorum omnium proportiones ſunt determi­
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              natæ. </s>
            </p>
            <p id="N285B5" type="main">
              <s id="N285B7">Decimò, quod ſpectat ad craſſitudinem manubrij, illa haud dubiè
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              auget aliquando vim ictus, aliquando imminuit; </s>
              <s id="N285BD">auget quidem, cum
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              malleus centrum impetus occupat eo modo, quo explicuimus l. 1.Th.73.
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              Corol.4. imminuit verò cum ab eo centro recedit, vt manifeſtum eſt ex
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              dictis ibidem, cum infligitur ictus eo mallei puncto, in quo non eſt
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              prædictum centrum, formicat manus infligentis, vt patet experientiâ; </s>
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              quippe extremitas illa manubrij, quæ manu tenetur, vel attollitur, vel
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              deprimitur; </s>
              <s id="N285D2">attollitur quidem, ſi punctum contactus, vel ictus eſt inter
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              prædictum centrum & manum; </s>
              <s id="N285D8">& è contrario deprimitur, ſi centrum
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              ipſum ſit inter punctum contactus & manum; </s>
              <s id="N285DE">& quia manus im­
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              pedit, ne vel attollatur, vel deprimatur, impetus in illam qua­
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              ſi refunditur; </s>
              <s id="N285E6">hinc illa formicatio non ſine maximo ſæpiùs do­
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              loris ſenſu; </s>
              <s id="N285EC">denique obſerua nouem eſſe combinationes, ſi con­
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              ſiderentur in malleo longitudo, & latitudo manubrij cum ipſo
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              pondere; quippe ſi 3. ducantur in 3. erunt 9. ſed hæc ſunt fa­
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              cilia. </s>
            </p>
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              <s id="N285F8">Vndecimò, ſi malleus impingatur deorſum creſcit ictus propter mo­
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              tum naturaliter acceleratum, additum ſcilicet extrinſecùs impreſſo; </s>
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              ſi enim mallei cadunt ex eadem altitudine, ſuntque eiuſdem ponderis,
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              ictus æquales eſſe neceſſe eſt; </s>
              <s id="N28605">ſi verò ſunt eiuſdem ponderis, & cadunt
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              ex diuerſa altitudine impetus acquiſiti motu naturali, ſunt in ratione
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              ſubduplicata altitudinum; </s>
              <s id="N2860D">ſi verò ſunt diuerſi ponderis, & cadunt ex
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              diuerſa altitudine, ſunt in ratione compoſita aliquomodo ex vtraque; </s>
              <s id="N28613">
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              dico aliquo modo, quia non eſt omninò propria compoſitio rationum; </s>
              <s id="N28618">
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              poteſt tamen facilè proportio ictuum inueniri, v. g. ſit malleus A, &
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              malleus B, ictus A ratione impetus impreſſi extrinſecus ſit vt 8, ratione
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              caſus ſit vt 2; </s>
              <s id="N28625">at verò ictus B ratione impetus impreſſi ſit vt 6, ratione
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              caſus vt 3: </s>
              <s id="N2862B">addantur 8, & 2 erunt 10; </s>
              <s id="N2862F">adduntur 6, & 3 erunt 9; </s>
              <s id="N28633">igitur
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              ictus ſunt in ratione (10/9), vt conſtat: </s>
              <s id="N28639">porrò quemadmodum nouus im­
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              petus accedit ratione motus naturalis, cum malleus impingitur deor­
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              ſum, ita aliquid impetus deſtruitur cum malleus impingitur ſurſum, vt
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              patet; </s>
              <s id="N28643">denique, quia ſunt 5 termini, quos reſpicit ictus, ſcilicet pondus
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              mallei, longitudo manubrij, craſſitudo arcus extremitatis, & linea ſur­
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              ſum vel deorſum, ita ſunt 25. combinationes ictuum; ſed hoc fa­
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              cile eſt. </s>
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          </chap>
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