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Electric Valves

Nature volume 82, pages 324325 (13 January 1910) | Download Citation



NOW that the use of higher voltages for bulk supply is becoming more general in this country, the question of protection of electrical plant against damage due to resonance surges in underground lines and atmospheric disturbances as well as in overhead lines—which for commercial reasons are likely to become more common in the near future—is one that electrical engineers should turn their attention to at the present time.

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