EXPERIMENT 



ON THE 



USE OF THE HEAT OF STEAM, IN PLACE OF THAT 

 OF AN OPEN FIRE, IN THE MAKING OF SOAP. 



I HAD the honour of announcing to this Assembly, 

 at the last meeting but one, that M. Auzilly and 

 myself were to make an experiment on the use of steam 

 in the making of soap. This experiment we have 

 made, and with perfect success. 



I have the honour to lay before the Society a piece 

 of soap of about ten cubic inches, made in my labora- 

 tory by this new process, which required only six hours 

 of boiling, whereas sixty hours and more are necessary 

 in the ordinary method of making soap. 



From all the appearances that we observed in the 

 course of this experiment, and from its results, we 

 think ourselves authorized to conclude that this new 

 method of making soap cannot fail to be advantageous in 

 every respect, and that it will soon be generally adopted. 



We propose to repeat the experiment on a larger 

 scale, as soon as we shall be able to procure the neces- 

 sary utensils, and we beg the Society to appoint com- 

 missioners to be present during its execution. 



As I intend to communicate to the Institute, upon a 

 future occasion, all the details of our experiment, with 

 an account of the apparatus we employed in it, I shall 



