s 



136 



Banater Militargrenze, Bersatska. . 



mijn Kosla (Barbara gaanderij) .« 5819 11,1 



» (Mittellauf gaanderij) . 5909 11,0 



» Kamenitza 6635 6,3 



Beatens-glücksmijn in Pruis- 



sisch Sileziën . . . . . . 6138 1,2 



Zwierzina's mijn, Oostenrijk . . 5966 5,6 



Beden-mijn Pruissisch Sileziën . . 6124 5,3 

 Dombrowa, Krakauer kolenveld : 



4 1 laag 5949 5,4 



3 1 » ....... 5543 6,7 



7' » ....... 5474 6,7 



6' » 5492 8,2 



Bijlade 15\ 



To the Directors of tke Labuan-coal company. 

 Gentlemen : 



I have the pleasure to communicate to you herewith the 

 results of my examination of the Labuan-coal and my opi- 

 nion thereon. 



lts composiüon per cent is as follows : 



Gemiddelde van deO- 

 raDJe-Nassau-koleu. 



Carbon 72,27 71,30 



Hydrogen 5,20 5,36 



Oxygen and Nitrogen . . 14,28 14,44 



Sulphur 0,30 0,29 



Ash . . 1,85 3,70 



Water 6,10 4,91 



100,00 100 00 



The coal was subjected to analysis, in the state in which 



I received it: I have not foliowed the usual practise of 



heating it before analysis, in order to expel the hygrosco- 



pic water, as 1 consider it of practical importance, that 



