[ 208 ] 



ed hereafter. When drawn up, the boxes 

 are emptied on a heap for lale ; and then let 

 down again into the boats. This fubterra- 

 neous canal is extended further than the 

 crane, with deiign to erect another upon the 

 fame principles. At the mouth of it is a 

 door fattened on hinges at the bottom of the 

 water, which falls or rifes at pleafure, and 

 when up itops the water from entering ; a 



It has been calculated, that a ftatute acre, 

 yielding proportionably to the firft experiment, 

 will produce 5036 bufhels, 60 lb. each, which, 

 at the medium price of §s. per load, would be 

 worth 308/. 10 s. an acre. 



The hufbandry of Lancaflme cannot fail of 

 improving greatly under the aufpices of fuch a 

 fociety of patriots. That the above articles are 

 not the only ones attended to, will appear from 

 the following paper on draining, for which I am 

 obliged to Mr. Bayley, of Hope, the inventor. 



A method of making hollow Drains, without wood 

 or jlo?ie. By Mr. Bay ley, of Hope. 



Let it be premifed, that the main drains to 

 carry off the water from the reft, muft be made 

 of brick, or ftone, of fufficient width, and three 

 inches deeper than the others. There mould be 

 one of thefe to two ftatute acres, and they mould 

 always follow the flope of the ground in a direct 

 line. 



The letter drains, without brick, 65V. mould, 

 in general, not be above fix yards afunder, and 

 crofs the flope, or inclination of the land, and 

 fall obliauely into the main drains: for if the wa 



