Auroræ: Their Characters and Spectra
CHAPTER XVI.
Effect of Magnet on wide Air (Aurora) tube: pp. 149-153.
Stratification (note on): pp. 149, 150.
Effect of magnet on Plücker (air-) tube: pp. 150-152.
Effect of magnet on Plücker tube (tin chloride): pp. 152, 153.
Effect of magnet on tin-chloride Geissler tube: p. 153.