Example Sentences

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The air being warmed to a certain temperature, has its insulating power impaired; it becomes dielectrically weak, as it were, and the consequence is that the arc can be established at much greater distance.

From The inventions, researches and writings of Nikola Tesla With special reference to his work in polyphase currents and high potential lighting by Martin, Thomas Commerford

The air may be rendered dielectrically weak also by rarefaction.

From The inventions, researches and writings of Nikola Tesla With special reference to his work in polyphase currents and high potential lighting by Martin, Thomas Commerford