Manufacture. 69 . 



with the fecula. During the time of running off the 

 water have the drain leading to the reservoir where 

 the pump is placed, thoroughly cleaned, after which 

 let the Indigo run into it through the proper strainers. 

 Eighth. The fecula being in the reservoir, have 

 it pumped into the boiler through the strainers at 

 the mouth of the pump and at the head of the boiler. 

 Then light the fire underneath, and keep stirring the 

 boiler to prevent indigo from settling and sticking to 

 the bottom. When it comes to the boil, continue it 

 gently so for three hours, stirring occasionally the 

 whole time, during which period get the table well 

 cleaned and washed down, spread the table cloth 

 wet it with clean water, and cover it over with a 

 spare cloth, by placing a few bamboos across the top 

 of the table, and throwing the spare cloth over all. 

 The boiling being over, and all ready to pour ofT the 

 contents on the table, turn the cock, or take out the 

 pin at the bottom of the boiler, as may be, and let the 

 indigo run on the table. As soon as this is done, 

 a part of the fecula will find its way through the table- 

 cloth to the bottom of the table, and, from thence, 

 to the drain at the end of the table. Take this up 

 in chatties, or if a pump is fixed to the end of the 

 table, pump it up into the table through a strainer, 

 until the water appears of a dark-red tint, free from 

 colouring matter, and then let it run off through the 



