Chapter Xviii. Action of Magnet on Aura of Electric Spark Demonstrated.

Chapter XIX. Effects of magnet on discharges in vacuo in larger vessels demonstrated. Ångström’s flask experiment tested; same results not obtained unless one wire only was connected. Experiments demonstrating the action of a magnet on an electric stream, viz. vibration between, and rotation round, poles. Baron Reichenbach’s magnetic flames tested without result.