Agricola, Georg, De re metallica Libri XII, Quibus Officia, Instrumenta, Machinae, ac omnia ..., 1556
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        <body>
          <chap id="N10018">
            <p id="N1E064" type="main">
              <s id="N1E12D">
                <pb pagenum="421" xlink:href="001/01/431.jpg"/>
              digitos. </s>
              <s id="N1E13D">In huius fornicis parte caua: exiſtat murus ex lateribus calce
                <expan abbr="cõglu­tinatis">conglu­
                  <lb/>
                tinatis</expan>
              factus: qui ſurſum uerſus à ſolo pedem & palmos tres habeat quinque
                <lb/>
              foramina ſpiritalia, alta palmos duos & digitum, lata palmum & digitum:
                <lb/>
              quorum primum ſit ad dextrum murum interiorem, ultimum ad ſiniſtrum,
                <lb/>
              reliqua tria in medio eorum ſpacio: quinetiam ea ſoramina per murum inte
                <lb/>
              riorem, qui eſt ad fornicem, penetrent. </s>
              <s id="N1E14E">In eiuſmodi foramina lateres dimidi
                <lb/>
              ati imponantur, ut fornax nimia aura non inſpiretur: & eximantur
                <expan abbr="interdũ">interdum</expan>
              ,
                <lb/>
              ut is, qui panes æreos fathiſcentes torrefacit, in uias, quas uocant, inſpicere
                <lb/>
              poſſit, & contemplari, an recte
                <expan abbr="torreãtur">torreantur</expan>
              . </s>
              <s id="N1E15F">At prior fornix à poſteriore diſtet
                <lb/>
              pedibus tribus: & palmis duobus: cuius pars caua æque longa ſit, ac poſte
                <lb/>
              rioris fornicis: ſed lata pedes ſex. </s>
              <s id="N1E166">Ipſe fornix eandem habeat
                <expan abbr="altitudinẽ">altitudinem</expan>
              ,
                <expan abbr="quã">quam</expan>
                <lb/>
              ibidem habent parietes. </s>
              <s id="N1E173">Fornicibus autem & parietibus caminus, ex lateri­
                <lb/>
              bus calce
                <expan abbr="cõglutinatis">conglutinatis</expan>
              factus, ſuperſtruatur, altus pedes ſex & triginta: is per
                <lb/>
              tectum penetret. </s>
              <s id="N1E17E">Murus uerò interior ad poſteriorem fornicem & utrunque
                <lb/>
              parietem appoſitus, ex quibus extat ad pedem, altus ſit pedes tres, &
                <expan abbr="totidẽ">totidem</expan>
                <lb/>
              palmos, craſſus item palmos tres: ex lateribus luto conglutinatis confectus
                <lb/>
              undique luto craſſo illinatur, adeo ut id ipſi ſuperius illitum clementer aſſur­
                <lb/>
              gat ad altitudinem pedis. </s>
              <s id="N1E18D">Murus hic quidam quaſi clypeus eſt aliorum mu­
                <lb/>
              rorum: eos enim tuetur ab ignis calore muros labefactante: qui
                <expan abbr="nõ">non</expan>
              facile re­
                <lb/>
              fici poſſunt, cùm iſte leui opera reparari poſſit. </s>
              <s id="N1E198">Focus uerò fiat ex luto, & te­
                <lb/>
              gatur uel laminis æneis, quales ſunt fornaci, in qua argentum ab ære ſecerni
                <lb/>
              tur, ſed quæ particulis eminentibus careant: uel lateribus, ſi domini in tabu­
                <lb/>
              las æneas impenſam facere noluerint. </s>
              <s id="N1E1A1">Horum latior pars ponatur decliuis:
                <lb/>
              quo modo focus poſteriore parte tam altus fit, ut uſque ad quinque foramina
                <lb/>
              ſpiritalia pertingat: priore tam humilis, ut poſterior prioris fornicis pars ca
                <lb/>
              ua ſit, alta pedes quatuor, & palmos tres, ac totidem digitos, prior pedes
                <lb/>
              quinque, palmos tres, & totidem digitos. </s>
              <s id="N1E1AC">Quinetiam focus extra
                <expan abbr="ſornacẽ">ſornacem</expan>
              ad
                <lb/>
              pedes ſex tectus ſit lateribus. </s>
              <s id="N1E1B5">Prope hanc fornacem ad quartum
                <expan abbr="murũ">murum</expan>
              lon­
                <lb/>
              gum, eſt lacus longus pedes tredecim et palmum, latus pedes quatuor, altus
                <lb/>
              pedem & palmos tres: aſſeribus undique munitus, ne terra in cum incidat: in
                <lb/>
              quem altera parte per fiſtulas aqua influit, altera eandem, ſi turbo fuerit ex­
                <lb/>
              tractus, terra ſorbet. </s>
              <s id="N1E1C4">In huius lacus aquam
                <expan abbr="cõijciuntur">conijciuntur</expan>
              panes ærei, à quibus
                <lb/>
                <expan abbr="argẽtum">argentum</expan>
              & plumbum ſunt ſeparata: prioris fornicis pars prior partim clau­
                <lb/>
              di ſolet fore ferrea, inferius lata ſex pedes & duos digitos, ſuperius aliquan­
                <lb/>
              tum rotundata, altiſſima parte, quæ media eſt, alta pedes tres & palmos du­
                <lb/>
              os. </s>
              <s id="N1E1D6">Compoſita uerò eſt ex ferreis bacillis & bracteis, ad ea filis item ferreis
                <lb/>
              affixis. </s>
              <s id="N1E1DB">Bacilla numero ſunt ſeptem, tria tranſuerſa, quatuor ſtatuta: quorum
                <lb/>
              quodque latum eſt duos digitos, craſſum ſemidigitum: ſed infimum tranſuer
                <lb/>
              ſum longum eſt pedes ſex, & duos palmos, medium eandem habet longitu
                <lb/>
              dinem,
                <expan abbr="ſupremũ">ſupremum</expan>
              incuruatum media parte altius eſt, atque ſic longius alijs du­
                <lb/>
              obus. </s>
              <s id="N1E1EA">Statutorum aliud ab alio diſtat pedibus duobus: quorum utrunque ex
                <lb/>
              tremum
                <expan abbr="altũ">altum</expan>
              eſt pedes duos, & totidem palmos, media uerò, alta pedes tres
                <lb/>
              & palmos duos, ex ſupremo tranſuerſo curuato extant, & foramina
                <expan abbr="habẽt">habent</expan>
              ,
                <lb/>
              in quæ incluſi ſunt unci catellarum longarum duos pedes: quarum ſupremi
                <lb/>
              annelli incluſi in unum aliquem annellum tertiæ catellæ: quæ extenſa tigilli </s>
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