The Electrical Properties Of Flames - The Discharge Of Negative Electricity By Hot Platinum In A Vacuum - The Discharge Of Negative Electricity By Hot Platinum In Hydrogen And Other Gases - The Discharge Of Negative Electricity By Various Substances - The Discharge Of Positive Electricity By Hot Bodies - The Conductivity Of The Bunsen Flame - The Electrical Conductivity Of Salt Vapors - The Electrical Conductivity Of Flames For Rapidly Alternating Currents - Flames In A Magnetic Field