Schott, Gaspar, Mechanica hydraulico-pneumatica. Pars I. Mechanicae Hydraulico-pnevmaticae Theoriam continet. , 1657
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              EF dependeat ſolùm à tubilongitudine, & lumine E, poſito
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              æquali ſemper medio ſeu aëre; at in horizontalibus longitudo
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              dependet etiam à figura ſalientis, de qua Merſennus, & Tor­
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              ricellus. </s>
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              Salientium
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              verticali­
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              um altitu­
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              do quæ.
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              Propoſitio V. Phænomenon V.
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              Saliens verticalis nunquam adæquat altitu­
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              dinem originis.
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              Saliens ver­
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              ticalis nun­
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              quam adæ­
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              quat altitu­
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              dinem ori­
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              ginis.
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              <s>NUnquam enim ſaliens EF æquare poteſt altitudinem tubi
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              BA. </s>
              <s>Et eadem eſt ratio de alijs omnibus ſalientibus, qua­
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              rum altitudo nunquam æquare poteſt altitudinem originis, ſive
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              origo ſtatim tubo includatur, ſive non. </s>
              <s>Et ratio eſt, quia gra­
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              vitas humidi, & reſiſtentia aëris impediunt prædictam adæqua­
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              tionem. </s>
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              Propoſitio VI. Phænomenon VI.
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              Saliens verticalis tubi quadrupedalis proximè
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              æquat 5/6 tubi ſui.
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              Saliens ver­
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              ticalis tubi
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              quadrupe­
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              dalis.
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              <s>OBſervavit id Merſennus, aſſeritque in ſuis Phænomenis Pro­
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              poſit. XVII. ubi ait, hanc ſalientem poſſe eſſe reliquarum
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              modulum, ſeu menſuram. </s>
              <s>Vide quæ diximus Propoſitione II.
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              Annot. 2. ubi idem quod hîc aſſeruimus. </s>
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              Propoſitio VII. Phænomenon VII.
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              Salientes verticales eò ſunt longiores, quò tubi ſunt
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              longiores; ſed non eâdem proportione illæ ac hi
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              creſcunt.
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              Salientium
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                <expan abbr="verticaliũ">verticalium</expan>
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              longitudo
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              quȧ propor
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              tione cre­
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              ſcat.
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              </s>
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              <s>Vnde licet tuborum non adeo longorum ſalientes verticales
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              ſint proximè 5/6, aut 2/3 ſuorum tuborum; tamen in tubis
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              longis ſalientes verticales vix excedunt 1/4 tubi. </s>
              <s>Et hoc prove­
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              nit tum ob aëris reſiſtentiam, tum ob aquæ gravitatem. </s>
              <s>Ita
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              Merſennus in Phænomenis Propoſit. XVII. </s>
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