Agricola, Georg, De re metallica Libri XII, Quibus Officia, Instrumenta, Machinae, ac omnia ..., 1556
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            <pb pagenum="301" xlink:href="001/01/311.jpg"/>
            <figure id="id.001.01.311.1.jpg" xlink:href="001/01/311/1.jpg" number="144"/>
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              <s id="N197ED">Reſtat de uſu, in quo eſt hoc organum. </s>
              <s id="N197F0">
                <expan abbr="Tigillũ">Tigillum</expan>
              ab axis dentibus depreſ­
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              ſum comprimit follem: is compreſſus flatum per narem emittit: rurſus uerò
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              ipſius capſæ pondere leuatus concipit flatum, qui per foramen ſpiritale in i­
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              pſum penetrat. </s>
              <s id="N197FC">Sed machina, cuius dentes tigilla deprimunt, ita ſe habet. </s>
              <s id="N197FF">
                <lb/>
              Primo fit axis, ad cuius alterum caput extra domicilium eſt rota, ad alterum
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              intra
                <expan abbr="domiciliũ">domicilium</expan>
              tympanum è fuſis conſtans: quod conficitur ex duobus or­
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              bibus duplicatis inter ſe diſtantibus pede, craſſis digitos quinque, altis
                <expan abbr="circũ­circa">circum­
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                circa</expan>
              pedem & digitos duos. </s>
              <s id="N19811">Duplicia autem ſunt: nam uterque ex binis orbi
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              bus æquè craſſis compoſitus eſt: atque clauis ligneis conglutinatus: quineti­
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              am interdum uterque ſuperius circumcirca laminis ferreis obductus eſt: fuſi
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              uerò ſunt numero triginta, longi pedem & palmos duos ac
                <expan abbr="totidẽ">totidem</expan>
              digitos:
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              utrinque in orbe includuntur: teretes ſunt & lati digitos tres. </s>
              <s id="N19820">Diſtant
                <expan abbr="ctiã">etiam</expan>
              in­
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              ter ſe totidem digitis. </s>
              <s id="N19829">Atque hoc ſane modo ſe habet tympanum quod ex fu­
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              ſis conſtat. </s>
              <s id="N1982E">Alterum uerò
                <expan abbr="dentatũ">dentatum</expan>
              eſt ad alterius axis caput: cuius orbis du­
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              plicatus craſſus eſt palmos duos & digitum: eius orbis interior, qui compo
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              ſitus eſt ex quatuor curuaturis, craſſus eſt palmum: ubique latus palmos du­
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              os & digitum. </s>
              <s id="N1983B">Exterior uerò, qui eodem modo, quo interior, factus eſt ex
                <lb/>
              quatuor curuaturis, craſſus eſt palmum & digitum: non æqualiter latus, ſed
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              ubi in eum includitur caput radij, latus eſt pedem & palmum, & digitum, </s>
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