The Notebooks of Leonardo Da Vinci Complete


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Let the earth make whatever changes it may in its weight, the  
surface of the sphere of waters can never vary in its equal distance  
from the centre of the world.  
Of the proportion of the mass of water to that of the earth (937.  
9
38).  
9
37.  
WHETHER THE EARTH IS LESS THAN THE WATER.  
Some assert that it is true that the earth, which is not covered by  
water is much less than that covered by water. But considering the  
size of 7000 miles in diameter which is that of this earth, we may  
conclude the water to be of small depth.  
9
38.  
OF THE EARTH.  
The great elevations of the peaks of the mountains above the sphere  
of the water may have resulted from this that: a very large portion  
of the earth which was filled with water that is to say the vast  
cavern inside the earth may have fallen in a vast part of its vault  
towards the centre of the earth, being pierced by means of the  
course of the springs which continually wear away the place where  
769  


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767 768 769 770 771

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1 306 613 919 1225