1918-19.] An Electron-Transference Hypothesis, etc. 215 
(i d ) Adopting the values for the quantities given in (c), we proceed 
to discuss the relative order of magnitude of the quantities used in 
equation 1*26. 
T = £M = |7r/o Me 
o 
1-2 8 
We note at once that 
1-29 
Also, let 
1-30 
We have, therefore, 
1-31 
Let 
a = trnn = -irpmE 
o 
b =tm = ^Tvpme 
O 
c = M mp 2 
te 
mp L 
fed—- eT and 
\ea = &E. 
R = T - c. 
“=2S§#5-3 .h. 10“ 4 
T M 
A = — =5-3.- .10- 4 
T M n 
c = mp_ 2 = «L4 10 _ 2 
T t n 
1-32 . . . Also d — eT/c = 4*7 . n . 10~ 17 . 
(e) The values obtained in sections (c) and (d) for the quantities used 
are now to be employed to expand our value for A s . 
A s = VWN ft . 
s 3 o 
WN, 
f . (ra E + M«) + ^l 
D s v ' mp ‘ J 
(E-^)(T+g). + 8rf l 
T + a - c - sb J 
WN 0 I 
o K 
(E - srf)( 
a a „ sb\ , sc£R 
1+ t~r + r 
+ 
to the 1st order in a/T and b/T 
1*33 
_WN 0 T 
p R 
WN T 
A = 0 _ 
iV S — • p 
p K 
E-sd(l-^]-{sd-E) shT ac ~ 
T 
RT 
n / j -cnS^l - acl 
E — ge - (sd - E) R1 — 
to the 1st order in a/T and b/T. 
