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Scientific American, Vol. 86, No. 20 (May 17, 1902) (1902)

leaf 6

An illustration from Scientific American, Vol. 86, No. 20 (May 17, 1902), 1902, leaf 6
r casing through a series of nibbled off the insulation of the telephone cables, Wales. The viaduct is to be 1,980 feet in length, con- tubes. Similarly, a cylinder, B, is arranged within the cut into the wires, and wrought havoc in many sisting of thirteen fixed spans each of 140 feet, and other… … been in use for years in the United States for long influences. .There are as well many quartz ledges that distance transmission of energy. Some of the plants, are barren.of gold, and those ledges that do contain where the climate is very favorable, have adopted volt- gold have barren portions.…

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