428 
DR. HAROLD A. WILSON ON THE 
Diagram No. 9 shows the relation between the logarithms of the current and the 
absolute temperature, using values taken from diagram No. 7. The relation between 
the logarithms is roughly log C = 17‘17 log 6 — 59-3, where C is the current and 
0 the absolute temperature. 
Diagram No. 9. 
