What use is now made of the force of running water ?

The great waterfalls of the world are now used to generate electricity. The power supplied by the water
drives machines which produce electric currents. These are carried along wires to supply power to drive engines,
tramcars, etc., and to light towns and cities. Such arrangements are now at work at Niagara, along the
Mississippi, and at Kinlochleven in Scotland.


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