W. A. Norton on Molecular Physics, 243 
_ charge from one to another. To take a more complete view of 
the matter, the molecular polarization resulting from the elec- 
tricity received by any single point, S, will not be confined to 
_ the normal line a, 4, c, but will extend, though with diminished 
Intensity, along lines radiating outward from S. A similar re- 
mark may be made of the flow of electricity that accompanies 
the polarization. 
accompanied by a spherical electric ‘ wave of translation” that 
will spread indefinitely through the same medium. This latter 
quantity of electricity that moves forward from one layer of par- 
ticles to th 
the surfac 
translatio 
