1 86 Coffee Planting. 



The machine platform, again, must be in such a 

 position that the coffee after being pulped can be 

 run, by means also of water-pipes, into the cisterns; 

 and the cisterns must be so placed as to admit of 

 the coffee after being washed in them being con- 

 veniently conveyed to the drying-ground, and of 

 the waste water and refuse being run off to the 

 pulp-pit 



The cisterns must be at least three in number ; 

 that is to say, two " receiving cisterns " to receive the 

 beans as they come direct from the pulper, and 

 each of which must be large enough to hold the 

 produce of the largest amount of cherry ever likely 

 to be housed in a single day ; the third cistern is 

 for washing the parchment in as it comes from the 

 receiving cisterns, and should be as large, super- 

 ficially, as both the others put together, equal depth, 

 however, being unnecessary. 



These cisterns should all have a slight incline, to 

 facilitate the water being quickly drained off; the 

 gradient of the washing cistern should not exceed 

 three or four inches in twenty-four feet. The 

 receiving cisterns should be provided with a grating 

 of perforated zinc at the lowest part, to allow of the 

 water draining off as fast as it comes in. The wash- 

 ing cistern, on the contrary, should be water-tight, 

 being provided with a sluice door at the lower end, 

 which can be opened or closed at pleasure ; both 



