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Electrical conductivity of gases in a normal state 2. Properties of a gas when in a conducting state 3. Mobility of ions 4. Mathematical theory of the conduction of electricity through a gas containing ions 5. Effect produced by a magnetic field on the motion of the ions 6. Determination of the ratio of the charge to the mass of an ion 7. Determination of the charge carried by the negative ion 8. On some physical properties of gaseous ions 9. Ionisation by incandescent solids 10. Ionisation in gases from flames 11. Ionisation by light. Photo-electric effects Name index Subject index.
Thomson et al. (Sun,) studied this question.