Agricola, Georg, De re metallica Libri XII, Quibus Officia, Instrumenta, Machinae, ac omnia ..., 1556

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      <text>
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          <chap id="N10018">
            <pb pagenum="143" xlink:href="001/01/153.jpg"/>
            <p id="N13420" type="main">
              <s id="N13422">Septima ſiphonum ſpecies ab hinc annis decem inuenta cùm
                <expan abbr="omniũ">omnium</expan>
              ma
                <lb/>
              ximè artificioſa & durabilis & utilis ſit, ſine magno impendio confici po­
                <lb/>
              teſt, ea conſtat ex pluribus ſiphonibus: qui ſimul, ut proximi, in puteum
                <expan abbr="nõ">non</expan>
                <lb/>
              deſcendunt, ſed alter alteri quodammodo ſubijcitur: etenim ſi tres fuerint,
                <lb/>
              ut eſſe ſolent, ultimus exorbet aquas putei, & eas in
                <expan abbr="primũ">primum</expan>
                <expan abbr="lacuſculũ">lacuſculum</expan>
              effun­
                <lb/>
              dit: ſecundus ex eo rurſus exhauſtas in ſecundum transfundit: tertius in cu­
                <lb/>
              niculi canalem: pila horum ſiphonum omnium rota pedes quindecim alta
                <lb/>
              attollit pariter pariterque deijcit: quam eius pinnæ, ab impetu riui, in
                <expan abbr="montẽ">montem</expan>
                <lb/>
              deducti, percuſſæ, cogunt uerſari: rotæ radij in axe, longo pedes ſex, craſſo
                <lb/>
              pedem, incluſi ſunt: cuius utrunque caput circulo ferreo cingitur: ſed in
                <expan abbr="alterũ">alterum</expan>
                <lb/>
              quidem infixus eſt codax, in alterum uerò
                <expan abbr="ferrũ">ferrum</expan>
              , ut codacis poſterior pars,
                <lb/>
              craſſum digitum & tam latum quàm ipſum caput eſt: quod tamen teres &
                <lb/>
              circiter digitos tres craſſum primò longitudine pedis recta extat, quatenus
                <lb/>
              obtinet locum codacis: mox curuatum & quaſi lunatis obliquatum corni­
                <lb/>
              bus altitudine pedis aſſurgit: deinde rurſus pedem recta eminet: quo modo
                <lb/>
              fit ut hæc pars recta, cùm in orbem uoluitur, uiciſsim fiat pedem altior & hu
                <lb/>
              milior quàm illa. </s>
              <s id="N13461">Ex hac poſteriore ferri teretis parte pendet primum pilum
                <lb/>
              latum: ipſa enim in ſuperius iſtius pili caput
                <expan abbr="perforatũ">perforatum</expan>
              , ut clauus ferreus pri­
                <lb/>
              marum chelarum in inferius infigitur. </s>
              <s id="N1346C">Ne uerò pilum ex ea excidat, ut facilè
                <lb/>
              excidere poteſt, &, cùm neceſſitas id poſtulat, eximi ſolet, quod eius
                <expan abbr="foramẽ">foramen</expan>
                <lb/>
              latius ſit quàm ferri pars, utrinque clauo ferreo, in ipſam infixo, coercetur: ne
                <lb/>
              ij atterant caput pili bracteis ferreis uel corijs intermedijs cauetur: tale
                <expan abbr="pilũ">pilum</expan>
                <lb/>
              primum
                <expan abbr="longũ">longum</expan>
              eſt circiter pedes duodecim, reliqua uerò duo pedes ſex &
                <lb/>
              uiginti. </s>
              <s id="N13485">Sed quodque latum eſt palmum, craſſum digitos tres: utraque cuiuſque
                <lb/>
              pars lata tecta & munita eſt laminis ferreis: quæ cochleis item ferreis conti­
                <lb/>
              nentur: ut pars, quæ uitium fecerit, refici poſsit. </s>
              <s id="N1348C">At chelæ in axiculum inclu­
                <lb/>
              ſæ ſunt teretem, longum ſeſquipedem, craſſum palmos duos: is utrinque cin­
                <lb/>
              gitur circulo ferreo, ne codaces ferrei, qui in
                <expan abbr="tignorũ">tignorum</expan>
              armillis ferreis uerſan­
                <lb/>
              tur, ex eo excidant: ex quo axiculo utraque chelarum pars lignea eminet lon­
                <lb/>
              ga pedes duos, lata & craſſa digitos ſex. </s>
              <s id="N1349B">Altera ab altera diſtat palmos tres:
                <lb/>
              utriuſque rurſus pars tam interior quàm exterior etiam laminis eſt ferrata. </s>
              <s id="N134A0">In
                <lb/>
              chelas uerò claui duo ferrei teretes et craſsi digitos duos ſic infixi ſunt, ut im
                <lb/>
              mobiles maneant. </s>
              <s id="N134A7">Eorum poſterior per primi pili lati inferius & ſecundi ſu
                <lb/>
              perius caput perforatum & immobile penetrat. </s>
              <s id="N134AC">Prior
                <expan abbr="autẽ">autem</expan>
              ſimiliter immo­
                <lb/>
              bilis per ferreum primi pili teretis caput item immobile & deflexum. </s>
              <s id="N134B5">Iſtiuſ­
                <lb/>
              modi pilum quodque longum eſt pedes tredecim, craſſum digitos tres, & in
                <lb/>
              priorem cuiuſque ſiphonis fiſtulam deſcendit tam profundè, ut eius orbicu­
                <lb/>
              lus
                <expan abbr="foriculã">foriculam</expan>
              pyxidis ferè attingat. </s>
              <s id="N134C2">Quod cùm decidit in fiſtulam, aquæ, per
                <lb/>
              orbiculi foramina penetrantes, corium attollunt: cùm ſubleuatur, eædem
                <lb/>
              corium, quod ipſas fert,
                <expan abbr="deprimũt">deprimunt</expan>
              . </s>
              <s id="N134CD">Foricula uerò pyxidem, ut foris ianuam,
                <lb/>
              claudit. </s>
              <s id="N134D2">At fiſtulæ coniunguntur duobus circulis ferreis, palmum latis, alte­
                <lb/>
              ro interius, altero extrinſecus. </s>
              <s id="N134D7">Sed interiore utrinque acuto ut in utramque fi­
                <lb/>
              ſtulam penetrare & eas
                <expan abbr="cõtinere">continere</expan>
              poſsit. </s>
              <s id="N134E0">Quanque nunc fiſtulæ carent interio
                <lb/>
              re circulo: ſed habent commiſſuras, quibus
                <expan abbr="iungũtur">iunguntur</expan>
              . </s>
              <s id="N134E9">Etenim ſuperioris in­
                <lb/>
              ferius caput
                <expan abbr="cõtinet">continet</expan>
              , inferioris caput ſuperius: utrunque enim ad altitudinem </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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