Marci of Kronland, Johannes Marcus, De proportione motus figurarum recti linearum et circuli quadratura ex motu, 1648

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      <text>
        <body>
          <chap>
            <p type="main">
              <s>
                <pb xlink:href="063/01/134.jpg"/>
                <expan abbr="abſq;">abſque</expan>
              compreſſione, aut non niſi leviter illam ſuperficiem tan­
                <lb/>
              gendo;
                <expan abbr="neq;">neque</expan>
              lacunæ expleri,
                <expan abbr="neq;">neque</expan>
              verruculæ deprimi valebunt.
                <lb/>
                <expan abbr="Neq;">Neque</expan>
              motu ſimplici,
                <expan abbr="atq;">atque</expan>
              uno tractu perficitur politura: ſed
                <lb/>
              motibus iteratis, & in omnes partes reciprocè factis. </s>
              <s>Et licet
                <lb/>
                <expan abbr="quandoq;">quandoque</expan>
              ſolâ compreſſione planities inducatur; non tamen
                <lb/>
              levigatio eſt perfecta: ob plures ſulcos,
                <expan abbr="ſtriáſq;">ſtriáſque</expan>
              à compreſſione
                <lb/>
              relictas: quæ magis in profundum, quàm lateraliter movet. </s>
              <lb/>
              <s>Igitur cùm motus ſit cauſa levigationis; quo partes ſitum variè
                <lb/>
              permutant: & velin locum partium compreſſarum; velin me­
                <lb/>
              dias cavitates trasferuntur: motus autem à percuſſione & à ta­
                <lb/>
              ctu fiat; quem ex his motum dicemus levigationem? eſt enim
                <lb/>
                <foreign lang="grc">ὡσιτ χίν
                  <gap/>
                σις ἀπὸ τ
                  <gap/>
                ̄ς ἅψεως</foreign>
              : cùm movens non niſi tangendo
                <lb/>
              movet: at verò partes levigantes non manent, ſed prætere­
                <lb/>
              unt:
                <expan abbr="continuóq;">continuóque</expan>
              alias tangunt partes: non igitur
                <foreign lang="grc">ὥσει</foreign>
              ſeu pul­
                <lb/>
              ſione moventur partes levigandæ. </s>
            </p>
            <p type="main">
              <s>Reſpondeo, licet partes continuò mutentur: quia tamen
                <lb/>
              aliæ
                <expan abbr="atq;">atque</expan>
              aliæ ſuccedunt eiuſdem rationis, motum continuan­
                <lb/>
              tes; per æquivalentiam idem videri movens. </s>
              <s>Eſt autem dif­
                <lb/>
              ferétia inter ea, quæ
                <foreign lang="grc">χίνησιν</foreign>
              habent
                <foreign lang="grc">ἀπὸ τγ̄ς ἅψεως</foreign>
              , & quæ
                <foreign lang="grc">ἀπὸ τγ̄ς
                  <lb/>
                πληγη̄ς χινο
                  <gap/>
                ̄ντ
                  <gap/>
                </foreign>
              : quòd hæc in motu ſeparantur à movente: ac
                <lb/>
              proinde acceptâ plagâ non ſit in poteſtate moventis ille mo­
                <lb/>
              tus. </s>
              <s>Quæ verò
                <foreign lang="grc">ἀπὸ τη̄ς ἅψεως</foreign>
              moventur; impulſum habent
                <lb/>
              fluentem: qui non niſi illis motis eſſe poteſt:
                <expan abbr="moxq;">moxque</expan>
              ubi cæpit,
                <lb/>
              ex illo contactu finit: & non niſi impulſu continuato ſervari
                <lb/>
              poteſt. </s>
              <s>
                <expan abbr="Atq;">Atque</expan>
              inde fit, ut nulla particula inter poliendum, ſeu
                <lb/>
              levigandum divellatur: cùm motus in ipſa plagâ finiat,
                <expan abbr="neq;">neque</expan>
                <lb/>
              ullus reſtet impulſus. </s>
              <s>Et licet non ſine aliquâ tractione par­
                <lb/>
              tes levigatæ extendantur; non tamen eſt motus exceſſivus:
                <lb/>
                <expan abbr="neq;">neque</expan>
              per ſe, ſed à compreſſione naſcens:
                <expan abbr="Itaq;">Itaque</expan>
              ſi excedat, ut
                <lb/>
              dum chartam minùs cautè levigamus; partes divelluntur. </s>
            </p>
            <p type="main">
              <s>
                <emph type="italics"/>
              Dices. A quo ergo partes compreßa detinentur in eo ſitu? ne〈que〉 enim ſo-
                <emph.end type="italics"/>
              </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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