HENRY DEACON 179 



compounds, and a continuous stream of 

 hydrochloric acid, and air in entering the 

 apparatus employed, results in the issue of a 

 continuous stream of chlorine and of the 

 vapour of water, mixed of course with nitrogen 

 of the air, unused oxygen, and hydrochloric 

 acid." A copper salt was selected from a 

 large number of substances, because it acts at 

 a comparatively low temperature. Pieces of 

 burnt clay were saturated with a solution of 

 the salt. 



No. 2,469. 1 3th September, 1870. Im- 

 provements in the apparatus required in 

 working the process described in No. 1,403. 



No. 2,476. 1 4th September, 1870. The 

 41 Deacon " bleaching powder chamber with 

 its arrangement of shelves, for producing 

 strong bleaching powder by the use of 

 chlorine when diluted with inert gases. 



No. 2,641. 5th October, 1870. For im- 

 provements in the manufacture of sulphuric 

 acid, by employing salts of copper in conjunc- 

 tion with hydrochloric acid and sulphurous 

 acid gases together with oxygen, or air, so 

 that sulphuric acid and chlorine may be 

 produced. 



No. 753. 20th March, 1871. This in- 

 vention is for the production of sulphuric acid 



