54 



sited, cannot fail of exciting interest, either by 

 their beauty or rarity. 



THE following is the Recipe for making the 

 Preservative Soap. As both it and the Pow- 

 der are deadly poisons, I have thought proper, 

 by adopting the technical phraseology, to con- 

 ceal (in some degree) the ingredients from 

 those who might apply them to improper pur- 

 poses. 



Arsenici Oxydi 3J 



Saponis 5J 



Potassae Carbonatis ^vj 



Aquae Saturatae ^vj 



Camphorae 5 ij 



The Preservative Powder. 

 Arsenici Oxydi pulvis. 



