Ct 



Xl., 



^'i. 





^0, 



»nh 





5 



ofthi 



m 



^ of the 



is Ser, 



Rlol 



e 



holl 



fbjQii 



ire. 



o\v fu 



in the 



lich fe 



» 



ni. 



prime. 



em? to 



oa 



3, to 



asm 



cfe batons 



' Swallows," 

 ^ colled 



led, and 



en Aflibourn 

 tory called 

 nedmoraffej, 

 5 over them ; 

 cfTary for tk 

 long pole ho- 



c 



e 



1 



3 



aed Ice, to 

 k at all 

 hole, where 

 ft of the an- 



laent 



m 



t 



fome 



mo- 



miles 







tries 



f niar- 

 f exca- 



c 



h a 



fvpboi' 



a 



ra 



Sect. XI. 2. 4 



AND WATERING. 



271 



rafs or lake, and conveying it away 

 conftruaed of bored Riga deals ; 



, Such an inftrument might be 

 but as air is liable to collea in the 



fumnnit 



f 



fyph 



from the water, w 



hich pafles through 



would be neceflary to fi 



at the fumm 



an 



fTel with 



pump at the top of it ; which might be moved by a very fmall h 



■ dmiU fail, to be defcribed at the end of this Sedion, 



or 



fionally by th 



hand of a labo 



fo 



fe 



minutes perhaps 



day 



of th 

 the i 



The draining of thofe large plains, which lie beneath the level 

 e fea, is a fubjea, which belongs to the public, n 



xal farmer ; and is praaifed near Linn on the river Cann. 



ther th 



divid 



by locks to keep out the tid 



d by windmills to 



ft or forward 



the otherwife flagnate water in the fen-dikes. Thefe windmills h 



fails o 



f th 



common 



kind 



hich move a 



al 



wheel bv which the water is raifed a foot or two ; but it is probable 

 even this" might be done better by the horizontal fail and centnfugal 

 pump to be defcribed 



the end of this Sea 



as being a fimpl 



machine, and requiring no attention to turn it to the wind.. 



It mi-ht be a noble work, worthy the attention of a government, 

 that wiftied toincreafe the quantity of nutriment, and confequent 

 population and happinefs of the country, to employ prop 



th 



her of labou 



environ with ditches every morally 

 diftria of"whatever extent, which lies beneath the level of the tides, 

 as the fens of Lincolnlhire and Cambridgefhire. Thefe ditches (hould 

 be cut at the feet of the adjacent rifmg grounds, or of eminences fur- 

 rounded with fens, like iflands in a lake, fo as to intercept the wall 

 fprings and land-floods, and convey the water thus colkaed above 



the level of the morafs into the ocean. 



But this, 1 fear, is an effort not to be expeaed in the prefent times, 

 when the enclofure of foreftsand large commons is prevented by the 

 intereft of individuals, or by the difficulty of procuring expenfive aas 



of parliament for every minute dillria, jnftead of including them m 

 * a general 



• 1 ■ 



