187i.] 6b J [BrittonandGresson. 



Coal from Alury Mine. 

 {Sample consisted of several pieces and fine stuff, and weighed 2H ibs.) 



Water 12.95 



Volatile combustible matter 32.54 



Fixed carbon 44.56 



Ash 9.95 



100.00 



One hundred parts of the raw coal gave of coke 54.51 



The coke was composed of 



Carbon 81.75 



Ash 18.75 



100.00 Including sulphur .29 

 Phosphorus 04 



Coal No. 3, from Mine at Rock Spring. 



(^Sample consisted of a single piece, and loeighed 18^ ibs.) 



Water 13. 40 



Volatile combustible matter 35.25 



Fixed earbon 49.81 



Ash 1.54 



100.00 



One hundred parts of the raw coal gave of coke 51.35 



The coke was composed of 



Carbon 97. 01 



Ash 2.99 



100.00 Including sulphur .63 

 Phosphorus 02 



Coal from Excelsior Mine, at Rock Spring. 



{Sample eonsisted of several pieces and fine stuff] and weighed 16^ ibs.) 



Water 10.10 



Volatile combustible matter 36.76 



Fixed carbon , , 51.03 



Ash , 2.11 



100.00 



One hundred parts of the raw coal gave of Coke 53.14 



The coke was composed of 



Carbon 96.03 



Ash 3.97 



100.00 Including sulphur .92 

 Phosphorus trace 



