The Electrical Conduction of Thin Air Films: A Thesis (Classic Reprint) - Softcover

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Excerpt from The Electrical Conduction of Thin Air Films: A Thesis

Two brass electrodes with end areas of sq. Cm. Were set in partaffin blocks so that an air film of uniform thickness of 002. Cm. Was included between them. These electrodes were incased in an earthed cepper box which was nearly air tight. Dry and dust free air was passed through the box at intervals for several days. It is claimed that a current passed. Between these electroded when the applied voltage was very small and that this current increased. With the applied voltage according to Omns law up to about 80 volts. And much more rapidly for higher voltages. It is stated further that as the air pressure was decreased, the current decreased, finally disappearing at 2 mm. Of mercury. When air was afterward admitted, the current again increased but did not follow the same curve, showing a decided lag.

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