Auroræ: Their Characters and Spectra
CHAPTER IV.
Phenomena simulating Auroræ: pp. 31-32.
Auroric Lights (Kinahan): pp. 31, 32.
Luminous Arch: p. 32.
Auroræ: Their Characters and Spectra
Phenomena simulating Auroræ: pp. 31-32.
Auroric Lights (Kinahan): pp. 31, 32.
Luminous Arch: p. 32.