[ 2 3° ] 

 £xed obliquely, and work by their friction 

 mortal idei theiu, which is taken off 

 •, by a man who is ready fpr the 

 ofe. 

 This little ftream further turns another 

 machine, of excellent ufe : It is for fitting 

 the : the buildings, and warning 



out the little ftones that are in it; which 

 it performs very effectually and expediti- 

 ously. The fketch, Plate X. Fig. 2. will 

 lain the mechanifm. 



a. Is the tube from which the water ifiues. 



b. The hopper, in which the fand is 



. n cut oi wheel -bar rows. 

 <r. Is awier cylindrical fieve, into which 

 the fand tails from the hopper, and 

 which, being turned by the large wheel, 

 fifes the fand which drops through the 

 wiers into the wheel J\ and out of 

 that, Liter a frefh operation, into the 

 trough gy from whtnee it is taken in 

 (hovels, 

 d. I? a trough for conducting the (tones 

 driven by the water out of the end of 

 the cylinder, into a wheel-barrow e s 

 placed to receive them. 

 h. Is a board, leaned ailant upon the 

 frame work of the machine, for the 

 men to drive up the wheel-barrows on. 

 The navigation is carried a mile and half 

 beyond Worjley, into the middle of a large 

 bog, called here a mofs, belonging to the 



Duke, 



