Proc. Roy. Soc. Edin. 
Vol. XXI. 
CURVES SHOWING VARIATION OF HALL EFFECT WITH THE TEMPERATURE. 
-100 -50 0 +50 100 150 200 250 -|00 -50 0 +50 100 150 200 250 
CURVES OF THERMOELECTRIC FORCE FOR BISMUTH-LEAD COUPLES. 
-190 
+ IOO 
A.RIXCHEE & SON. JUDIN *5 
