Abstract
I FIND that a very convenient way of charging an ordinary gold-leaf electroscope is to rub the charging rod with the glass bulb of a glowing carbon filament lamp. The leaf system becomes negatively charged. It is quite easy to charge a Braun electrostatic voltmeter to several thousand volts in this way.
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WHIDDINGTON, R. Use of a Carbon Filament Lamp to Charge Electroscopes. Nature 91, 348–349 (1913). https://doi.org/10.1038/091348d0
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DOI: https://doi.org/10.1038/091348d0
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