Schott, Gaspar, Mechanica hydraulico-pneumatica. Pars I. Mechanicae Hydraulico-pnevmaticae Theoriam continet. , 1657
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              titudo ſit quadrupedalis; adeo ut ſi totus Oceanus, ut ſuprà innuimus in
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              Corollario I. Propoſit.
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              2.
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              eſſet incluſus vaſi quatuor pedum æltitudinis &
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              luminis linearis, non effunderet niſi vnicam heminam ſeu libram Pari­
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              ſienſem ſpatio tredecim minutorum ſecundorum; Si tamen addas, inquit
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              Merſennus, pro horis ſingulis vnam quadrageſimam quintam libræ
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              partem, quâſolet aqua marina ſuperare aquam fontium ac fluviorum in
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              pondere, & conſequenter vi premendi, & vehementiùs è foramine e­
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              rumpendi.
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              Vas ampli­
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              us non effu­
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              dit plùs a­
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              quæ per fora­
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              men, quàm
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              minù, am-</s>
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              plum, ſi al­
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              titudo & fo­
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              ramè æqua­
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              lia ſunt.</s>
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              Annotatio III.
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              QVod dicit Merſennus de tubo quadrupedali, & de libra aquæ, in­
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              telligi debet ſolùm loquendo de pede & libra Pariſienſi, non ve­
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              rò aliarum Nationum, ſed unuſquiſque in ſua natione experientiam
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              facere debet, ut ſciat quantum aquæ, quanto tempore, ex quantæ al­
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              titudinis, quantique foraminis tubo, ejiciatur. </s>
              <s>Cæterùm cùm diffe­
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              rentia pedum, atque librarum apud diverſas Nationes tanta ſit, quan­
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              ta ipſarum Nationum; cum〈qué〉 difficulter exacta menſura unius certi
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              ac determinati pedis, v. g. Romani, aut Pariſienſis, ad alias Nationes
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              tranſmitti libris impreſſis poſſit, quòd chartæ priùs madefactæ, ac dein­
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              de ſiccatæ, non reddant fideliter longitudinem linearum impreſſarum;
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              nolo diutiùs huic rei inhærere, comparando pedem Pariſienſem cum
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              pedibus aliarum Nationum. </s>
              <s>Faciat, qui volet, aut cujus intereſt,
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              experientiam, ut videat quanto tempore tubus quatuor pedum regio­
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              nis ſuæ ejiciat per lumen lineare aquæ libram itidem regionis ſuæ. </s>
              <s>De
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              exacta pedis Romani menſura, & de modo tranſmittendi illum ad
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              alias nationes, diſſeram in Pantometro Kircheriano Lib.
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              1.
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              Technico
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              Parte
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              2.
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              Cap.
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              4. </s>
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              Podis men­
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              ſura diver­
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              ſa apud di­
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              verſas na­
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              tiones.</s>
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              Propoſitio VIII. Phænomenon VIII.
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              Aquæ fluentes ex tubis tam ſemper, quàm non ſem­
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              per plenis æqualium foraminum, ſed inæqualium altitudinum,
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              habent rationem ſubduplicatam altitudinum tuborum;
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                <expan abbr="habentq́ue">habentque</expan>
              dicti tubi duplicatam rationem
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              aquarum, quas fundunt.
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              <s>RAtio ſeu proportio duplicata quæcunque, eſt ratio quæ­
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              cunque ſimplex ſemel repetita, ſeu bis continuè ſumpta: </s>
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