MINERALS FOR THE PARIS EXHIBITION. GILPIN. 



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presented for consumption. These coals Are largely used for 

 steam purposes, especially in locomotives, they are also good 

 coking and domestic coals. In recent communications to the 

 Institute I have given a number of analyses of these coals, 

 showing the increase of their steam values, etc., as they have 

 been followed to the dip. 



The Dominion Coal Company exhibited the various forms of 

 round, run of mine, slack, pea, nut coals, etc., required by the 

 trade. This company also presented a column of coal, a section 

 of the Phalen seam .which attains a thickness of nine feet. This 

 column is to stand by a similar one from British Columbia, an 

 illustration of the resources of Canada on the Pacific and on the 

 Atlantic. In my last paper I drew attention to the interesting 

 diminution in ash and sulphur in the Phalen seam as it was 

 followed away from its outcrop. I also gave a summary of the 

 tests of coal made at Glassport, Pa., U. S. A. I now give, as an 

 interesting comparison, the results of similar tests of the Phalen 

 and Hub seams made at the Solway ovens, in Syracuse, New 

 York, U. S. A. Owing to rainy weather the car loads were 

 saturated with moisture. Allowing for the moisture the sample 

 of the Phalen seam weighed 405 tons, and that from the Hub 

 seam weighed 307 tons. There were obtained from these coals 

 respectively 302 tons, 74.68 per cent; and 224.74 tons, 72.37 per 

 cent, of dry coke and breeze. 



The Phalen seam yielded 11,012 cubic feet of gas per long 

 ton. Of the gas 55.47 per cent was used under the ovens. The 

 average calorific power of the gas was 571.85 B. T. U. The 

 average illuminating value of the gas, with a fishtail burner was 

 9.9 candle power, with a Welsbach burner, 54.34 candle power. 



The following is the average analysis of the gas: 



Carbon dioxide 2.7 per cent. 



Illuminants 2.9 



Oxygen 13 " 



Carbon monoxide . . 5.8 



Marsh gas 32.3 per cent. 



Hydrogen 51.1 



Nitrogen 5.07 



Total . . . 100.0 



