430 
CAS Bil, 
Leff Ry VAL OS NV LO): 
Method of observation: directly with the naked eye. 
; Intensity of Phenomena at the switching on 
Number _ Polarizer Analyzer | the’ ficid of the field 
10 oo — ‚_3900 Decrease of intensity. 
‘ No influence of the field obser- 
ved (without field very weak). 
16 B 5 Decrease of intensity. 
17 B ” ” ” ” 
18 B Ë u The dispersed light, hardly exist- 
| ing without, seems to vanish 
quite under influence of the 
field. 
CASE III. 
LTR NV [OP ANR 
Method of observation as II. 
; Intensity Phenomena at the switching on 
Number Polarizer Analyzer GE Teen of the field: 
19 — — | 3800 | Decrease of intensity. 
20 | ” „ » ” 
21 — e 
But less than for 20. 
already concluded from the sense of the “rotation of the plane of 
polarization”, that the oscillations parallel to the electric force are 
absorbed stronger than those perpendicular to it. 
