EECIPES FOR BLUE AND RED. 77 



rlence. The experimental student must exercise 

 considerable patience, and not be at all discouraged 

 by incipient failures. They will dissolve by de- 

 grees into successful results. 



Recipe for Blue. — With soft river- water let 

 your pipkin be about three parts full ; put it on a 

 slow, clear fire, adding a teaspoonful of " paste- 

 blue," which can be purchased at the colour-shops. 

 Keep stirring it, and when it is more than luke- 

 warm, add a tablespoonful of cold water, into 

 which you have put twelve drops of sulphuric 

 acid. In this dyeing fluid place a quarter of an 

 ounce of material to be dyed, whether pig's hair, 

 hackles, or mohair, taking care that they have 

 been previously thoroughly cleansed as already 

 directed, and rinsed in hot water, and then wrung 

 out just before you put them into the pipkin. 

 Let the whole boil slowly for fifteen or twenty 

 minutes. Then take out your fur or feathers, or 

 whatever material you are dyeing, and rinse in 

 pure cold water. Dry, if possible, in a sunny 

 atmosphere. For stirring your materials in the 

 pipkin always use a clean piece of wood. 



For Red. — Water as before in your pipkin, 

 and with it two handfuls of Brazil wood, and a 

 quarter of an ounce of pig's hair, or feathers, or 

 any other material you want to dye. Boll the 



