Guevara, Giovanni di, In Aristotelis mechanicas commentarii, 1627

Table of figures

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              <s id="N16E3D">COMMENTARIVS.</s>
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              <s id="N16E43">Celonium quod & Tellenon apud Latinos appella­
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              tur, machina quædam eſt ad commodius haurien­
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              dam aquam ex puteis, vt frequenter viſitur in hor­
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              tis. </s>
              <s id="N16E4C">Conſtat autem ex tigno quodam prægrandi, quod iux­
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              ta puteos erigitur, ac validè obfirmatur, & ex tranſuerſario
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              quodam alio ligno tenuiori, quod ſuperiori parti illius tan­
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              quam furculæ per ſui quaſi medium incumbens, in altero
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              extremo funem habet appenſum
                <expan abbr="cũ">cum</expan>
              aquario vaſe; in altero
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              verò, appoſito pondere prægrauatur, vt ſurſum, ac deorſum
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              facili negocio pro olitoris arbitrio valeat commoueri. </s>
              <s id="N16E5F">Vſus
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                <expan abbr="namq;">namque</expan>
              huius machinæ eſt, vt manu funis
                <expan abbr="apprehẽſus">apprehenſus</expan>
              vnà
                <expan abbr="cũ">cum</expan>
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              vaſe, quod ſuſtinet, in puteum demittatur quouſque vas in
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                <expan abbr="aquã">aquam</expan>
              immergatur, reclinato ſcilicet ligni extremo cui funis
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              alligatur. </s>
              <s id="N16E78">Deinde puſilla vi adhibita ob
                <expan abbr="præponderantiã">præponderantiam</expan>
              al­
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              terius extremi, quod onere preſſum deſcendit, ac
                <expan abbr="alterũ">alterum</expan>
              co­
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              git aſcendere, ipſummet vas aqua plenum ſuſtollatur, & ex­
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              trahatur. </s>
              <s id="N16E89">Quamuis enim vas ipſum aqua
                <expan abbr="repletũ">repletum</expan>
              ,
                <expan abbr="deſcriptoq.">deſcriptoque</expan>
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              ab extremo propendens ex ſe æquiponderare ſoleat oneri,
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              quod alteri extremo adiungitur, vix tamen vel modicè ma­
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              nu adiuuante eleuatum ſtatim ab onere prædicto vincitur,
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              ac ſuperatur: non ſecus ac lanx libræ in æquilibrio conſtitu­
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              tæ ab æquali pondere alterius lancis, ſi vel tenuiter manu
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              aliqua ſuſtollatur. </s>
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              <s id="N16EA2">His itaque non aliter ſe habentibus, quærit hic Ariſtote­
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              les, cur ad huiuſmodi machinam facilius promouendam, &
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              & aquam eius motione exhauriendam, onus oneri adiunga­
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              tur, plumbum nimirum, aut lapidem apponendo in alte­
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              ro extremo tranſuerſarij ligni, cum alioquin tota ipſa ma­
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              china ſit per ſe grauis, ac præſertim idemmet tranſuer­
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              ſarium lignum, quod adhuc prægrauatur pondere vaſis ap­
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              penſi, ſiue vacui, ſiue repleti. </s>
              <s id="N16EB3">Difficilius namque eſt mo­
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              uere machinam grauiorem, quàm leuiorem. </s>
              <s id="N16EB8">Quamob­
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              rem ſit in deſcripta Tellenonis figura A B C D tignum </s>
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