Abstract
THE average temperature of the gas when the discharge first became luminous was comparatively low; for example, a fine platinum wire immersed in it did not become hot enough to be visible. The figures quoted by Prof. Child refer to the current after the luminous discharge had been well established; the current when the transition from dark to luminous discharge took place was very much smaller, generally less than 10-5 ampere.
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THOMSON, J. Ionisation and Temperature. Nature 74, 125 (1906). https://doi.org/10.1038/074125d0
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DOI: https://doi.org/10.1038/074125d0
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