Issue 19 and Volume 41.

PERU’S VAST WATERPOWER. Mr. Habich, director of the technical school of Lima, Peru, has pointed out that that South American republic, with its rivers descending from elevations of 3,000, 4,000 and 5,000 metres, possesses incalculable sources of power, and the Rimac river alone is capable of developing at least 100,000-horsepower. The Chile river is amply capable of furnishing all the motive power necessary for great industrial purposes, representing, as it does, a colossal hydraulic force hitherto overlooked. But by far the most important source of water-power supply of Peru is lake Titicaca, lying 3,800 metres above the level of the sea, with a surface area of 6,600 square kilometres, and an average depth of 20 metres. Lake Titicaca lies in a hollow, surrounded on all sides by an unbroken ridge of mountains, ranging from 250 to 800 metres in height, presenting a formidable engineering problem which can be overcome by…

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