[ ^6i J 



A Synoptical View of the Contents of Bitumens and different Sorts of 



Mineral Coal. 



To ihefe refults I fliall add a few more, taken from a treatife 

 on pit coal lately publilhed by Signior Fabroni. The Italian 

 coals were examined by himfelf; the French and German by 

 other chymifts. All by diftillation. 



Vol. VI. X 100 



