516 USE OF BLACK OILS. 



A more efficacious Recipe. 



(RECIPE, No. 189.) 



Take— Linseed oil, four ounces ; 

 Oil of vitriol, one ounce ; 

 Stir them together in a large pot ; then add 

 Spirit of turpentine ; 

 Oil of spike, oil of petre, and oil of swallows, 



of each two ounces ; 

 Oil of elder, four ounces ; 

 Oil of origanum, one ounce ; 

 Barbadoes tar, two ounces ; 

 Compound tincture of myrrh, four ounces; 

 Oil of bays, two ounces : 

 Mix them all together, by a little at a time, 



with the vitriol and linseed oil, and jjut 



them in a bottle for use. 



When either of these oils are mixed up, they 

 should not be put in a bottle too soon, and cork- 

 ed, lest they should burst the bottle. 



