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

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                <pb xlink:href="063/01/101.jpg"/>
              à quibus defenditur, habet parallela, in totum averſâ. </s>
              <s>Per­
                <lb/>
              cuſſo autem muro licet in aliam partem reflectat: quia tamen
                <lb/>
              ex obliquo ictus fiunt, violentiâ in plures diſtractâ, minùs no­
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              xæ inferunt. </s>
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            <p type="main">
              <s>Secundus modus ut ſiue totam plagam, ſiue illius partem
                <lb/>
              recipere cogantur, id cum minori detrimento & concuſſione
                <lb/>
              fiat. </s>
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              <s>Et cùm ruina proveniat ex ſolutâ compage: cùm vel partium
                <lb/>
              iuncturæ, quibus muri, turres, & propugnacula ſunt ſtructa, de
                <lb/>
              hiſcunt: vel partes ſolidæ ex vehementiâ ictûs fatiſcunt; ne­
                <lb/>
              ceſſe illam violentiam ita diſpenſare; ut nullâ parte inſigniter
                <lb/>
              læsâ pertranſeat; &
                <expan abbr="neq;">neque</expan>
              partem ſolidam frangat;
                <expan abbr="neq;">neque</expan>
              unam
                <lb/>
              ab aliâ divellat. </s>
              <s>Hoc autem pendet à duobus: materiâ ni­
                <lb/>
              mirum,
                <expan abbr="atq́">atque</expan>
              ; huius partium ſitu. </s>
              <s>In quæſtione enim de fra­
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              cturâ oſtendi in diverſis corporibus inæqualiter recipi impul­
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              ſum. </s>
              <s>Nam quæ cedendo in plures veluti ictus hunc partiun­
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              tur. minùs noxæ ſentiunt,
                <expan abbr="minùsq;">minùsque</expan>
              latè ſe extendit plaga. </s>
              <lb/>
              <s>Talia verò ſunt
                <foreign lang="grc">π
                  <gap/>
                στὰ</foreign>
              cum lentà viſciditate, et quæ percuſſa
                <lb/>
              minùs ſonant: ob atomos enim inæqualiter poſitas per illas
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              ambages diſcerpitur impulſus. </s>
              <s>Saxa ergò, quæ ſurda dicun­
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              tur, cæteris paribus ad impetum ſuſtinendum ſunt aptiora. </s>
              <lb/>
              <s>Quod attinet ſitum, quia ſoliditas muri maior eſt longitudine
                <lb/>
              aut craſſitie ſaxi; neceſſe plura ordine diſponi,
                <expan abbr="quouſq;">quouſque</expan>
              ſimul
                <lb/>
              iuncta adæquent illam molem. </s>
              <s>Alia ergo ſitum extra habent,
                <lb/>
                <expan abbr="ictusq́">ictusque</expan>
              ; & primum impetum ſuſtinent; alia medio locò: alia
                <lb/>
              demum parieti interno ſunt pro firmamento. </s>
              <s>Nihil hic dico
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              de illâ concatenatione, quâ duo ſaxa uno ſuperpoſito nectun­
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              tur,
                <expan abbr="atq;">atque</expan>
              unum
                <expan abbr="quodq́">quodque</expan>
              ; duobus retinaculis firmatur: ut licet
                <lb/>
              uno exempto nihil detrimenti reliqua ſentiant: quod
                <expan abbr="quidẽ">quidem</expan>
                <lb/>
              erat futurum, ſi totâ mole æqualibus ſabſternerentur. </s>
              <s>De
                <lb/>
              quibus ſapienter,
                <expan abbr="docteq́">docteque</expan>
              , Architecti: hic enim Geometram, </s>
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