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

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          <chap id="N10018">
            <p id="N12A89" type="main">
              <s id="N12A90">
                <pb pagenum="124" xlink:href="001/01/134.jpg"/>
              cuti tertia & ab equis uerſatur, & duos habet axes: ſtatutum ſcilicet, circum
                <lb/>
              quem, in terræ cauernam penetrantem, ſimiliter inferius eſt tympanum den
                <lb/>
              tatum: atque ſtratum, circum quem tympanum quod ex fuſis conſtat. </s>
              <s id="N12A9C">Vt ue­
                <lb/>
              rò machina maxima duo habet tympana circum axem ſtratum, prorſus illi­
                <lb/>
              us tympanis ſimilia, ſed minora, quod uaſa ex puteo
                <expan abbr="ducẽtos">ducentos</expan>
              & quadragin­
                <lb/>
              ta tantummodo pedes alto trahere poſsit: quorum alterum ex orbibus, ad
                <lb/>
              quos affixa ſunt tigna compoſitum eſt: alterum, quod exiſtit prope tympa­
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              num quod ex fuſis conſtat, altum eſt undique circum axem pedes duos, craſ­
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              ſum unum: huic harpago impingitur: qui ipſum
                <expan abbr="retinẽs">retinens</expan>
              machinam, cùm res
                <lb/>
              id poſtulauerit, ſiſtit. </s>
              <s id="N12AB5">Toties uerò poſtulat, quoties uel ſacci è corio
                <expan abbr="ſaxorũ">ſaxorum</expan>
                <lb/>
              fragmentis aut terris pleni, extracti euertuntur, uel aquæ ex uaſis, item extra
                <lb/>
              ctis effunduntur: nam hæc machina non onera modo ſicca leuat, ſed etiam
                <lb/>
              humida, perinde ac aliæ quatuor machinæ iam nunc à me deſcriptæ: quine
                <lb/>
              tiam hac in puteum demittuntur tigna, ad eius catenam ductariam alligata. </s>
              <s id="N12AC4">
                <lb/>
              Sed harpago craſſus pedem, longus ſemipedem extat è tigno, catena appen
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              ſo ex altero capite tigni, quod uerſatur circum axiculum ferreum, quem
                <expan abbr="cõ­tinent">con­
                  <lb/>
                tinent</expan>
              chelæ tigni ſtatuti. </s>
              <s id="N12AD0">Ex altero uerò mobilis illius tigni capite
                <expan abbr="iterũ">iterum</expan>
              ca­
                <lb/>
              tena appenſum eſt tignum longum, & ex eo rurſus catena alterum tignum
                <lb/>
              breue: cui, cùm machina ſiſtenda fuerit, operarius inſidet, atque ſic ipſum de­
                <lb/>
              primit. </s>
              <s id="N12ADD">Mox ei inijcit aſſerem uel tigillum, quod ſubter duo tigna pertinens
                <lb/>
              ab eis ne attolli poſsit retinetur: quo modo harpago ſubleuatus, tympa­
                <lb/>
              numque amplexus tam ualidè prehendit, ut ſæpe ex ipſo ſcintillæ
                <expan abbr="exiliãt">exiliant</expan>
              . </s>
              <s id="N12AE8">Ha­
                <lb/>
              bet autem tignum dependens, ad quod harpago eſt affixus aliquot forami­
                <lb/>
              na, in quibus catena includitur, ut ipſe quemadmodum conuenit ſubleuari
                <lb/>
              poſsit. </s>
              <s id="N12AF1">Supra tympanum eſt tabulatum, ne id aqua deſtillans madefaciat. </s>
              <s id="N12AF4">
                <lb/>
              Nam ſi madefactum fuerit, harpago machinam minus retinebit. </s>
              <s id="N12AF8">Iuxta uerò
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              alterum tympanum eſt palus, ex quo dependet catena, in cuius annulo po­
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              ſtremo incluſus eſt alter harpago, hoc eſt uncinatum ferrum,
                <expan abbr="longũ">longum</expan>
              pedes
                <lb/>
              tres. </s>
              <s id="N12B05">Is annulo, ad fundum tam uaſis quàm ſacci affixo, iniectus illud retinet
                <lb/>
              ut aqua effundi poſsit, hunc ut ſaxorum fragmenta euerti.</s>
            </p>
            <p id="N12B0A" type="caption">
              <s id="N12B0C">T
                <emph type="italics"/>
              ympanum dentatum, quod est ad axem ſtatutum
                <emph.end type="italics"/>
              A. A
                <emph type="italics"/>
              xis ſtratus
                <emph.end type="italics"/>
              B.
                <lb/>
              T
                <emph type="italics"/>
              ympanum quod ex fuſis conſtat
                <emph.end type="italics"/>
              C. T
                <emph type="italics"/>
              ympanum prope id ipſum
                <emph.end type="italics"/>
              D.
                <lb/>
              T
                <emph type="italics"/>
              ympanum quod ex orbibus conſtat
                <emph.end type="italics"/>
              E. H
                <emph type="italics"/>
              arpago
                <emph.end type="italics"/>
              F.
                <lb/>
              T
                <emph type="italics"/>
              ignum mobile
                <emph.end type="italics"/>
              G. T
                <emph type="italics"/>
              ignum breue
                <emph.end type="italics"/>
              H. A
                <emph type="italics"/>
              lter harpago
                <emph.end type="italics"/>
              I.</s>
            </p>
          </chap>
        </body>
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