Note 256 — Chapter XI · THE CORONA.
Reading edition
Maunder, Knowledge, vol. xxi. p. 109. Cf. the visual observations of Seagrave in 1900, Astroph. Journ. vol. xii. p. 99.
Reading edition
Maunder, Knowledge, vol. xxi. p. 109. Cf. the visual observations of Seagrave in 1900, Astroph. Journ. vol. xii. p. 99.