Insulation Experiments with a Million Volt Current: Practical Application of High Voltage Arcs The production of @ million volt spark extending over a distance of between nine and ten feet may appear to be of little practical value, but its application is an important one. Messrs, Ferranti Ltd, of Hollinwood, Lancashire, have produced such a spark in their develop-formers are used to raise the generated pressure of 11,000 volts to 152,000 volts for transmission and to reduce it down to a low voltage at the receiving end for dictribution to consumers.
One of the greatest difficulties: in thie method of transmission is
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