A letter to Dr. Cheyne : containing an account of the motion of water through orifices and pipes; and an answer to Dr. Morgan's remarks on Dr. Robinson's Treatise of the animal oeconomy.

  • Robinson, Bryan, 1680-1754.
Date:
1735
Catalogue details

Licence: Public Domain Mark

Credit: A letter to Dr. Cheyne : containing an account of the motion of water through orifices and pipes; and an answer to Dr. Morgan's remarks on Dr. Robinson's Treatise of the animal oeconomy. Source: Wellcome Collection.

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    For IH being the Space through which a heavy Body muft fall m vacuo, to acquire a Velocity equal to the Velocity of the Water in the Surface A B, and the Water being fuppofed to defcend from the Sur¬ face to the Hole freely and without Refiftance, IG will be equal to the Space through which a heavy Body muft fall m vacuo to acquire the Ve¬ locity of the Water in the Hole E F: But the Velocities acquired by a Body falling m vacuo through the Spaces IG and IH are in the fubdu- plicate Ratio of thole Spaces, on Suppofition that the Gravity of the Body is the lame in I as in G, as it will be without any fenfible Error if the Point I be but at a fmall Di- ftance from the Surface of the Earth, and the fame Velocities V and v, are alfo as the Areas A and a, becaufe equal Quantities of Water pals through the Surface A B and Flole EF