,
'
482
'
_
INDEX
.
Electron (Conf.)
_‘
Electrons (Conf.); _(see beta rays, cath-*
_
——
-volt (Conf.)
*
'
ode rays and
a
——
for protons;
—
tables, 466—468
——-———
table, 465
Electroscopes, 387—396:
-—
wave—length of, 49—66;
'
—
adj ustment, 392
,
'
—
——De Broglie equation, 51
,
——
calibration, 394
'
'
——
measurement of, 55, 58
_— capacity of, 395
63
——
natural leak, 392, 342
Electrons: (see beta tays, cathode rays
-—
new leaf, 393
and electron).
—
principle, 387
——
absorption;
.,
——
residual leak, 343
,
‘Ï
,—
coeîcient,il$9, 468
.
——
statistical uctuations, 251
a
in aluminum, 468
——
types, 388
«.———
in gases,
139
,
,
Electro—static;
'
4—— deection of;
——
generator, 299
.
'
'
drop—tracks, 440
,
——
lenses, 130
'
'
,
—.—— see electron, charge/mass.
Elements:
*
"
,
:°gïî
.
—
see electrons, scattering.
——
periodic. table, back cover,
.
_
——detectionbf;
.
_
_—
.
—radioactive, table, 471
,
——
counter tubes,
.
;
»
_.
—'—
trans—uranic,336 …
.
Ï7I
»
df°P'tfàCks> 439
‘
.
’
,'
Elimination of occlu,dedvgases, 361
,
expansioh Chambers, 434
-of vapors, 374
_
- _ _
——,—shallow
l
,
Elster,,6,8f
“
,
'
_
diffraction of,54
. '
…
,
Emanatiorä:
.,
,
Ï
,
,
thin
'
…
——
elç‘ctrosc0pe,—39O :
——
Thomson-meihqd,57
,
._
,.
=
248, :: ,
——exper,63 ,
EmlSSlon
——“d1smtegration,”276
—current,107
,.
“_den51tYal72—0felectrmtyfmmsohds,99—114
—en°fwal70—0felectronsfromlament,100
“‘“Maxweïandætbutmn:168—Ph°toeîectrlcaô7—9S
—V610°“Y170168—SeœndarY126
“"‘“meïStml44—fr0mthesnn235