276* On the JJfinity existing let ween 



i 



Experiment XVI. 

 Charcoal prepared from Ash, 



Composed of oxide of carbon 95*727 

 Ashes * - 4-273 



100 parts. 



15 grains of this charcoal and 200 grains of oxide of 

 iron were fused together, from which was obtained a me- 

 tallic button that weighed 54 grains, or 27 per cent., from 

 the oxide of iron. 



80 grains of ash wood was found equivalent to the forma- 

 tion of 15 grains of this charcoal. To these were added 200 

 grains of oxide of iron. The fusion of the compound pro- 

 duced a metallic button of iron weighing (equal to 32*75 

 per cent, from the oxide) - » 65*5 grains. 

 Revived with the charcoal 54 



Increase (equal to 5| per cent.) 11*5 



Experiment XVII. 

 Charcoal prepared from Bark of the same Ash, 

 Composed of oxide of carbon 93*55 



Ashes - - 6*45 



100 parts. 



15 grains of this charcoal were mixed with 200 grains of 

 oxide of iron and fused together, and there resulted a metallic 

 button of iron that weighed 41 grains (equal to 20 \ per 

 cent.). 



78 grains of this bark were found requisite to form the 

 above portion of 15 grains of charcoal. That quantity was 

 therefore thoroughly mixed with 200 grains of oxide of iron. 

 A metallic result was obtained by the fusion of the com- 

 pound, ami the resulting button weighed (equal to 33£ per 

 cent.) - 67 grains. 



Revived with charcoal as above 41 



Increase (equal to 13 per cent.) 26 



Experiment 



