FUNDAMENTAIL PRINCIPLES. 
1650 
1500 
Wire, 
1350 
1050 
900 
Area of wire in units of 1000 circular milis. 
Pounds per 1000 feet of Bare Copper 
200 600 
PLATE T. 
AREA AND WEIGHT OF COPPER 
required for transmitting 100 amperes for dis- 
tances of 25000 feet and less, at losses of 25, 50, i5 
100 and 100 volts. 
450 
150 
  
0 5 10 15 2 25 
Distance in units of 1000 feet. Street Railway Journal