37^ T Pv A V E L S through . 



other, the lowed is made fo, that the water 

 it contains, may run out of it, and out of the 

 building;. The fecond {lands on the edo:e of 

 this, fo that the water it contains falls into the 

 firft, and the third is difpofed in the fame man- 

 ner wieh regard iq the fecond. The indigo 

 leaves are put into the uppermoft trough; with 

 a certain quantity of water, and mu'f putrify in 

 it. The man who is at the head of the manu- 

 fadure examines the indigo froni- time to time, 

 and when he fees it is time to empty this trough, 

 he turns the cock, and the water runs into the 

 fecond trough -, there is a proper time which 

 mud be well obferved for doing this operation, 

 for if the plant remains too long in this putrefy- 

 ing place, the Indigo becomes black. 



As foon as the water is in the fecond trough, 

 it is beaten till the overfecr thinks it fufhcient ♦, 

 it is ufe and habit by which one learns to feize 

 upon the true moment. When the water has 

 been well beaten, it is hft to fettle : the indigo 

 forms a kind of fediment at the bottom of the 

 trough ; the water above it muft have time to 

 become clear, and is afterwards drawn off 

 by means of feveral cocks placed above each 

 .other. 



The 



