1 8 Meldrum, Development of the Atomic Theory. 



Acetate. Superacetate. 



Lead lOO loo 



Acid 24 49 



Again, he gives the instance of the oxides of carbon : 

 "Carbonic oxide contains just half the oxygen that 

 carbonic acid does, which indeed had been determined by 

 Clement and Desormes . . . who, however, had not taken 

 any notice of this remarkable result." '^ 



^® Roscoe and Harden, op. ciL, p. 117. 



