KuTHERFOKD. — Oil Magnetic Viscosity. 



193 



Several more curves for soft iron and steel, with different 

 maximum magnetizing forces and different periods, were also 

 obtained, but, as thev showed the same effect as the curves 5, 

 6, 7, 



they are not given here. 



14000 



12000 



Table for Curve G. 



13 



