ï^ig. 3 and 4 represent the longitudinal and transverse efïects 

 tbr cadmium and tbr platinnm. The abscissae give directly the 

 resistance in Ohms. 



a JO too ISO too tK> 300 31 



Fig. 5. 



Fig. 5 and 6 show the results for graphite, Fig. 5 the dependence 

 of the resistance on the temperature, fig. G the dependence on the 

 magnetic field. 



We ha\e furl her made measurements on the resistance of a 





Fi-. 6. 



\tooa 



plate of not-puritied gi-apliite. These are not concluded, however, 

 and will he published later (ogelher with measurements on polarisa- 

 tion-phenomena which ma}' possibly show themselves with pressed 

 graphite. 



