Agricola, Georg, De re metallica Libri XII, Quibus Officia, Instrumenta, Machinae, ac omnia ..., 1556
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              Cætera quinque ſint
                <expan abbr="circũcirca">circumcirca</expan>
              paribus, quoad fieri poteſt, interuallis diſtin­
                <lb/>
              cta: per ea exit halitus, quem terra
                <expan abbr="cõcalefacta">concalefacta</expan>
              expirat: quæ ni eſſent eum ca­
                <lb/>
              tinus ad ſe traheret, ac uitium faceret: hoc eſt talis cumulus fieret, qualis fieri
                <lb/>
              ſolet cùm talpa terram egerit: cinisque ſupernataret, atque catinus ſtannum ab
                <lb/>
              ſorberet. </s>
              <s id="N1C01D">Aliqui eadem de cauſa poſteriorem ſtructuræ partem prorſus
                <expan abbr="pa­tentẽ">pa­
                  <lb/>
                tentem</expan>
              faciunt. </s>
              <s id="N1C026">At duo muri interiores conſtruantur lateribus, latitudinemque
                <lb/>
              habeant lateris: atque alter alterum tranſuerſus ſecet: quibus etiam ipſis qua­
                <lb/>
              tuor ſint foramina ſpiritalia: in quaque parte unum: quæ circiter digitum ſint
                <lb/>
              altiora et latiora alijs: in ea quatuor templa inijciatur
                <expan abbr="tantũ">tantum</expan>
              recrementorum,
                <lb/>
              quantum capit ciſium, eisque ſuperfundatur tantus puluis, à carbonibus re­
                <lb/>
              ſolutus, quantum capit alueus maior bracteis lignis contextus. </s>
              <s id="N1C037">Muri autem
                <lb/>
              extent è terra cubitum: quibus & ſaxorum
                <expan abbr="quadrangulorũ">quadrangulorum</expan>
              parti exciſæ ſu­
                <lb/>
              perponatur orbis è ſaxo formatus, craſſus
                <expan abbr="palmũ">palmum</expan>
              & digitos tres: qui undique
                <lb/>
              pertingat ad ſaxa quadrangula. </s>
              <s id="N1C048">Quod ſi rima aliqua fuerit, ea fragmentis ſa
                <lb/>
              xorum uel laterum expleatur. </s>
              <s id="N1C04D">Orbis autem priore parte decliuis ſit, ut cana
                <lb/>
              liculus, per quem effluet ſpuma argenti, confici poſſit: attamen orbis ſaxei
                <lb/>
              loco quidam ponunt tabulas æneas, ut miſtura uel ſtannum citius calefi­
                <lb/>
              at. </s>
              <s id="N1C056">Sed operculum, quod globi dimidiati figuram habens tegit
                <expan abbr="catinũ">catinum</expan>
              , con­
                <lb/>
              ſtet ex ferreis circulis & bacillis, atque operimento. </s>
              <s id="N1C05F">Circuli numero ſint tres,
                <lb/>
              lati circiter
                <expan abbr="palmũ">palmum</expan>
              , craſſi digitum: infimus à medio diſtet pede: medius à ſu­
                <lb/>
              premo pedibus duobus: ſub eis ſint bacilla ferrea
                <expan abbr="decẽ">decem</expan>
              & octo, ad ipſos cla
                <lb/>
              uis ferreis affixa: quæ bacilla eandem quam circuli latitudinem & craſſitudi
                <lb/>
              nem
                <expan abbr="habeãt">habeant</expan>
              : ſed ita longa ſint, ut curuata ab infimo circulo ad
                <expan abbr="ſupremũ">ſupremum</expan>
              per­
                <lb/>
              tingant: hoc eſt pedes duos et palmos tres: cùm alio qui altitudo operculi ſit
                <lb/>
              tantummodo ad pedem & palmos tres: ad omnia operculi bacilla & circu­
                <lb/>
              los interius bracteæ ferreæ filis ferreis ſint alligatæ. </s>
              <s id="N1C080">
                <expan abbr="Operculũ">Operculum</expan>
              quoque habe­
                <lb/>
              at foramina quatuor:
                <expan abbr="quorũ">quorum</expan>
              poſtremum, quod è regione ſit canaliculi, per
                <lb/>
              quem ſpuma argenti effluet, inferius latum ſit pedes duos: ſuperius, quia cle
                <lb/>
              menter aſſurget, anguſtius, nempe latum pedem & palmos tres atque
                <expan abbr="digitũ">digitum</expan>
              :
                <lb/>
              careat bacillo: nam id ex ſuperiore circulo ad medium
                <expan abbr="tantũmodo">tantummodo</expan>
              , non
                <expan abbr="etiã">etiam</expan>
                <lb/>
              ad infimum, pertineat. </s>
              <s id="N1C0A0">Alterum uerò foramen, quod exiſtat ſuper canalicu­
                <lb/>
              lo
                <expan abbr="latũ">latum</expan>
              ſit inferius pedes duos & dimidium, ſuperius pedes duos &
                <expan abbr="palmũ">palmum</expan>
              :
                <lb/>
              quod etiam careat bacillo. </s>
              <s id="N1C0AF">Etenim non bacillum modo
                <expan abbr="nõ">non</expan>
              pertineat ad in­
                <lb/>
              fimum circulum, ſed ipſe etiam infimus circulus ad eam partem non pertine
                <lb/>
              at, ut magiſter ſpumam argenti ex catino poſſit extrahere. </s>
              <s id="N1C0BA">Ad murum præ­
                <lb/>
              terea, quo murus principalis munitur contra uim caloris, ubi follium nares
                <lb/>
              ſituantur, ſint duo foramina lata palmos tres, alta circiter pedem: in quorum
                <lb/>
              medio duo bacilla deſcendant bractea interius contecta. </s>
              <s id="N1C0C3">Fiſtulæ
                <expan abbr="aũt">aut</expan>
              , in qui
                <lb/>
              bus nares
                <expan abbr="folliũ">follium</expan>
              collocentur, uſque ad ea foramina pertineant: quæ fiſtulæ ex
                <lb/>
              laminis ferreis
                <expan abbr="cõplicatis">complicatis</expan>
              factæ
                <expan abbr="lõgæ">longæ</expan>
              ſint palmos II. & digitos III.
                <expan abbr="Earũ">Earum</expan>
              uerò
                <lb/>
              pars caua ſit lata digitos tres &
                <expan abbr="dimidiũ">dimidium</expan>
              , in quas duas fiſtulas nares
                <expan abbr="folliũ">follium</expan>
              ſic
                <lb/>
                <expan abbr="condãtur">condantur</expan>
              , ut ab
                <expan abbr="earũ">earum</expan>
              foriculis
                <expan abbr="diſtẽt">diſtent</expan>
              digitis trib. </s>
              <s id="N1C0F5">At
                <expan abbr="operimẽtũ">operimentum</expan>
                <expan abbr="cõficiatur">conficiatur</expan>
              ex
                <lb/>
              circulo ferreo lato digitos II. qui inferius ſit, et ex tribus bacillis ferreis incur
                <lb/>
              uatis, quæ ab una circuli parte ad
                <expan abbr="alterã">alteram</expan>
              ei
                <expan abbr="oppoſitã">oppoſitam</expan>
                <expan abbr="pertingãt">pertingant</expan>
              . </s>
              <s id="N1C110">Aliud
                <expan abbr="aũt">aut</expan>
              alij
                <lb/>
                <expan abbr="ſuperpoſitũ">ſuperpoſitum</expan>
              ſit ſuperiore parte, ibique per ea clauus ferreus infixus penetret: </s>
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