76 



OF MILLS. 



The MilUfVrighfs Table. 



To construct a mill by this table, mid the height 

 of the fall of water in the first column, and against 

 that height in the sixth column, you have the 

 number of cogs in the wheel, and staves in the 

 trundle, for causing the mill-stone, 4 feet 6 inches 

 diameter, to make about 120 revolutions in a 

 minute, as near as possible, when the wheel goes 

 with one-third part of the velocity of the water. 

 And it appears by the 7th column, that the number 



