52 



phur burners, so that at all times the property of the Company 

 is protected by the presence of a large number of intelligent 

 and efficient men ; the roofing of the different buildings covers an 

 acre and a half of ground, and the total horse-power of all the 

 engines is 320. 



The only dangerous material used is the Nitrate of Soda, 

 which is the source of the Nitric Acid, used in the chambers ; 

 and this is stored in a fire-proof brick magazine. 



The capacity of these Works, for the high grade which they 

 make, is 850 tons per month of the Etiwan Dissolved Bone, and 

 1,000 tons per month of their ammoniated fertilizer, the Eti- 

 wan. 



