f 288 ] 
Articte XI. 
On the Conftruétion of Refervoirs to preferve the 
liquors from Stables, Cattle-Stalls, Sc. 
[ With a Copper-plate. ] 
DEAR SIR, Shofion, May, 27, 1793- 
OBSERVE the fociety have offered a premium 
to the farmer who fhall conftruct the beft fort 
of refervoir to preferve the liquor from ftables, 
cattle-ftalls, cc. A farmer who is my patient (Mr. 
Thomas Powell, of Semley, Wilts) taking notice of 
this article, took me out to fee one of his, which 
appears to me to be upon the beft poflible con- 
ftruction, and which he is about to enlarge, with a 
view, I believe, to become a candidate for the pre- 
mium. The rude fketch annexed, [ee the plate} will 
convey a fufficient idea of his method, which the 
fpot very much favours. 
The cow-ftalls ftand nearly on the top, but a 
little on one fide of a nap, and by means of gutters 
behind, the liquor is carried into a fink which runs 
under the ftable, where it meets, by the help of 
another fink, with the ftable liquor; and thefe, to« 
gether with the liquor of the pig-fties, run through 
an under-ground drain into the refervoir, into which 
Mr. Powell throws all kinds of weeds or other re- 
fufe vegetable or animal matters, where it of courfe 
Fots; 
