DYEING . 41 



brightness of this yellow by adding nitrate of 

 copper to the infusion. 



5. TO DYE FEATHERS DARK RED AND PURPLE. 



Hackles of various colours, boiled (without 

 alum) in an infusion of logwood and Brazil wood 

 dust until they are as red as they can be made 

 by this means, may be changed to a deeper red 

 by putting them into a mixture of muriatic acid 

 and tin, and to a purple by a warm solution of 

 potash. As the muriatic acid is not to be satu- 

 rated with tin, the solution must be much diluted. 

 If it burns your tongue much, it will burn the 

 feathers a little. 



6. TO DYE RED HACKLES A CLARET COLOUR. 



Boil a tea-spoonful of Brazil wood in half a 

 pint of water, and simmer some lightish furniss 

 hackles in this for a quarter of an hour. Then 

 take them out and immerse them in muriate of 

 tin, with the addition of a little muriatic acid. 

 Wash and dry. 



7. TO DYE FEATHERS VARIOUS SHADES OF RED, AMBER, 

 AND BROWN. 



First boil them in the alum mordant (see 

 No. 1) ; secondly, boil them in an infusion of 

 fustick strong enough to bring them to a bright 

 yellow (about a table-spoonful to a pint of water), 



