THE LAW OF BURNING OF MODIFIED CORIM I I . 



Jl, 



Fig. 1. Closed-vessel apparatus. 



Fig. 2 shows the end view of the apparatus and the arrangement for recording the 

 pressure and time. 



Fig. 2. End view of apparatus. 



The drum D is driven by a motor and carries blackened paper on its periphery. 

 G is an electrically sustained tuning-fork of the ordinary Sebert type. The one used 



