Page:Elektrische und Optische Erscheinungen (Lorentz) 116.jpg

 Now, the equation ($$IV_e$$) will be satisfied by us, by putting

and then it follows from ($$V_e$$), ($$VI_e$$) and ($$III_e$$), one after the other,

whose latter values are also in agreement with condition ($$I_c$$).

Eventually we derive from (X)

and then we only have to satisfy condition (XI).

The first one of the herein summarized relation gives nothing new, while the second and third ones read:

and

Now, since by the reported formulas

it can be written for (110) and (111)

and

thus at first we find