PERIODS OF ELECTRICAL VIBRATIONS. Dak 
Table IfI.—CLOSED CIRCUITS. 
Perimeter of circuit. Peri 
Ratio of erimeter of rect- Perimeter of rectangle 
Final Earlier angle = tune with Perimeter of circuit. 
= method. methods. eee 
678 850 886 1:04. 
2°37 830 886 1:07 
2°33 750 815 1:09 
1:00 670 760 1:13 
1-00 800 886 111 
1:00 900 990 1:10 
C-69 750 872 1:16 
0°56 760 886 We7 
0°53 750 880 Lalky 
0°28 750 900 1:20 
The relation connecting the values obtained for closed 
circles is shown graphically in Fig. 3. 
oe ide of eircle\in CHS 
e, 200 §=30 600 700 §=800 abo 
a y 
