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j. Overhead transmission in English Potteries district. 

 Inset, British colliery ; coal is still the chief source of 

 British electrical power. 2. Carrying electricity at 50,000 

 volts through the lorests of N. Zealand. 3. Steam elec- 

 tric power house in South America. 4. Boiler house of a 

 Bntisn power station. 5. Transmission lines at 80,000 



volts, oeionging to the Victoria Fails Co. 6. Carrying 

 electric power across a span of 1,175 ft. at 100,000 volts, 

 over the Thana, India. 7. Transmission lines and masts 

 in India. 8. Japanese hydro-electric power station. 

 9. Transmission lines at Victoria Falls, see Fig. 5. 10. 

 Electric transmission at 10,000 volts in Cornwall. 



ELECTRIC POWER AND TRANSMISSION IN VARIOUS PARTS OF THE WORLD 



