184 HENRY DEACON 



invention relates to the ''finishing" of salts 

 obtained in the manufacture of alkali by 

 causing heated air to pass through them when 

 at an elevated temperature. 



No. 3,253. 7th Oct., 1873, This specifies 

 improved apparatus in working the "Deacon" 

 process for the utilising of heat evolved in the 

 decomposition of the hydrochloric acid. 



No. 3,336. i5th Oct., 1873. A patent for 

 an improved arrangement in connection with 

 the black ash revolver to secure more perfect 

 combustion. 



No. 163. 1 2th Jan., 1874. In working 

 the " Deacon " process, the porous substances 

 need reviving, that is re-impregnating, and 

 this specification describes a method of doing 

 this by means of steam. 



No. 332. 28th January, 1875. This 

 specifies an improvement of apparatus for 

 withdrawing the porous substances employed 

 in working the " Deacon " process. 



No. 906. nth March, 1875. Here the 

 claims are for an invention in the manufacture 

 of chlorine by a mixture of common salt with 

 a compound of copper in conjunction with air 

 and hydrochloric acid, the same being obtained 

 from a separate source. 



No. 1,632. 3rd May, 1875. The use of 



