Note 127 — Chapter VII · STRUCTURE AND MOVEMENTS OF SUN-SPOTS.
Reading edition
A. J. S. Adams, Journ. Brit. Astr. Ass. vol. iv. p. 203; E. Brown, ibid. p. 300.
Reading edition
A. J. S. Adams, Journ. Brit. Astr. Ass. vol. iv. p. 203; E. Brown, ibid. p. 300.