Pulping. 189 



The lower chop must be just near enough to the 

 cylinder to admit the skins, while preventing the 

 entrance of any part of the smallest bean. Should 

 even the tips of the bean gain admittance into this 

 space, the result will be a nip or "cut," which 

 amounts to irremediable damage. 



From this pulper the coffee is run into a sieve, 

 which arrests any berries which have not been 

 efficiently dealt with, and any skins which have not 

 been got rid ,of, and throws them out in order that 

 they be returned to undergo a second operation ; 

 the beans, however, pass through and are run off 

 into the cisterns. The pulp is conveyed by a 

 water-pipe at the back into a pit, where it is reserved 

 for manure. 



Another machine much employed, and with 

 great advantage on large estates, in conjunction 

 with and as an aid to the pulper, is what is called 

 the " Crusher." The office of this, as its name 

 implies, is simply to crush the ripe cherries with 

 sufficient force to cause separation between the 

 bean and the pulp of the larger berries, while 

 giving the smaller ones such a squeeze as to make 

 them at any rate very much more easily acted on 

 by the pulper. The cylinder of the crusher is 

 covered with overlapping steel plates instead of 

 punched copper, and does not get rid of the skins 

 as the pulper does, simply sending everything that 



