OF THE
MENSURATION
OF
Running Waters.
MENSURATION
OF
Running Waters.
LIB. I.
What, and of how great moment the confi
deration of Motion is in natural things,
is ſo manifeſt, that the Prince of Peri
pateticks pronounced that in his Schools
now much uſed Sentence: Ignorato mo
tu, ignoratur natura. Thence it is that
true Philoſophers have ſo travailed in the
contemplation of the Celeſtial motions,
and in the ſpeculation of the motions of
Animals, that they have arrived to a wonderful height and ſub
limity of underſtanding. Under the ſame Science of Motion
is comprehended all that which is written by Mechanitians con
cerning Engines moving of themſelves, Machins moving by the
force of Air, and thoſe which ſerve to move weights and im
menſe magnitudes with ſmall force. There appertaineth to the
Science of Motion all that which hath been written of the
alteration not onely of Bodies, but of our Minds alſo; and
in ſum, this ample matter of Motion is ſo extended and di
lated, that there are few things which fall under mans no
tice, which are not conjoyned with Motion, or at leaſt de
pending thereupon, or to the knowledge thereof directed;
and of almoſt every of them, there hath been written and
compoſed by ſublime wits, learned Treatiſes and Inſtructions.
deration of Motion is in natural things,
is ſo manifeſt, that the Prince of Peri
pateticks pronounced that in his Schools
now much uſed Sentence: Ignorato mo
tu, ignoratur natura. Thence it is that
true Philoſophers have ſo travailed in the
contemplation of the Celeſtial motions,
and in the ſpeculation of the motions of
Animals, that they have arrived to a wonderful height and ſub
limity of underſtanding. Under the ſame Science of Motion
is comprehended all that which is written by Mechanitians con
cerning Engines moving of themſelves, Machins moving by the
force of Air, and thoſe which ſerve to move weights and im
menſe magnitudes with ſmall force. There appertaineth to the
Science of Motion all that which hath been written of the
alteration not onely of Bodies, but of our Minds alſo; and
in ſum, this ample matter of Motion is ſo extended and di
lated, that there are few things which fall under mans no
tice, which are not conjoyned with Motion, or at leaſt de
pending thereupon, or to the knowledge thereof directed;
and of almoſt every of them, there hath been written and
compoſed by ſublime wits, learned Treatiſes and Inſtructions.
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