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A 



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305 



is left undifturbed 

 until the floculae fettle at the bottom: then the~incumbent water is difcharged 

 by a tap, fixed for that purpofe, a few inches above the floor of the ciftern j and 



The liquor being now well beat, and the pulp granulated 



magm 



6r mud 



by 



again, by fome, put into a cauldron, and heated over a gentle fi 

 as to boil ; and then emptied into little ozenbrick bags to drain : 

 heated, but immediately put into the like bags to drain ; and 



proper receptacles. Th 



but 



fo far 



by 



red that way, it is, 



put into little fquare b 



en fufficiently 

 hofe (ides mutt not be 



above four inches deep; that it may dry the {boner, and without crumbling, which 

 it is otherways apt to do. 



Good Indigo mould be of a fine copperim blue colour, deep, and (inning, with a 



fmooth g 



(hould break eafily, fwim in water, and burn very freely 



fome fine white cinders behind 



The faults in Indigo generally arife, 1. From too long a putrefaction ; and then 



g 



of a dirty caft, and looks like black mould, or mud 

 then it is of a coarfe grain and g 

 always gives it a black 



From too little beating 



fe ; but the colour is feldom vitiated by 



ind 



3. From too much beating, which 

 4. From over-heating, which makes the grain very 



of the lime 



great a quantity of 



5. From a mixture of fome par 

 rater ; which renders it grey and 



hard. 



The quantity of the pulp falls fometimes below expectation, 1. For want of pro- 

 per feafons; whereby the growth of the plants is ilunted. 2. For want of a fuffi- 



degree of fermentation ; for 



the lironger leaves do ftill retain a confide 



able part of the dye. 3. For want of a due granulation ; which oftens happ 

 lime-water is not ufed : the menftruum, in fuch cafes, never fettles well, and depofit 



but an inconfiderable part of the fubftance. 



This valuable commodity is the only ingredient k 



dye a fine bl 



le: bul 

 the culture of the plant has been wholly neglected among the Englijh, for many 

 years; though no part of the world affords a better foil, or more commodious fitua- 



for that purpofe, than J 



The people, however, 



it, both there and in South Carolina ; and it is not doubted but the fucce(i 



begin to pla 



fwer their expectat 



It is principally ufed in d) 





d pa 



N. B. Seventeen negroes are fufficient to manage twenty acres of Indigo, through- 

 out the year; and do other work, at times. And one acre of rich land, well planted, 

 will, with good feafons and proper management, yield five hundred pounds of Indigo 

 in twelve months: for the plant ratoons, and gives four or five crops a year; but 



muft be replanted afterwards, 

 one pound of good Indigo. 



One 



negroe s 



load of good plants, will produce 



1 





4 K 



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