56 . 



lungs, bowels, &c., it is proper to bliftcr the cheft, 

 belly, &c., very extenfively, by which means the 

 inflarnmation may be removed from the vital organs 

 to parts of' lefs importance. 



The fubftances ufed as blifters are various ; the 

 more adive are, corrofive fublimate, butter of anti- 

 mony, oil of vitriol, euphorbium, &c. : the more 

 mild are, preparations of Spanifh flies, of horfe-ra- 

 difh, muftard, &c. Great care is neceffary in the 

 compounding of blifters to advantage, as well as 

 much judgment : they are frequently fo flrong as to 

 leave a blemifh through life. I have compounded 

 an ointment for all the common purpofes of blifter- 

 ing, diftinguiflied in the medical arrangement under 

 the title — 



Blistering Ointment [fee page 23]. This 

 will be found efficacious in all bony fwellings ; blift- 

 cring the fkin adively, ^vithout deftroying the roots 

 of the hair, and blemifliing the part, as is frequently 

 the cafe with the blifters in ufe for thcfc complaints. 



Liquid Sweating Blister [page 24]. In 

 fome cafes it is thought more proper gently to fti- 

 mulate a part without raifing the fkin, or inflaming 

 it much; and this is done by what is termed a fweat- 

 ing blifter, which is very proper in thick gourdy 

 If'gs, when the back finews are thickened, and in all 

 old ftrains and wcaknefles. The Liquid Szceating 

 Blijler, and the BUftering Ointmentf mixed together, 



