Note 111 — Chapter XV
Reading edition
Humboldt, Cosmos, vol. iv., p. 563 (Otté's translation); Maunder, Journal of the British Astronomical Association, vol. viii., p. 174; Max Wolf, Königstuhl Report for 1904.
Reading edition
Humboldt, Cosmos, vol. iv., p. 563 (Otté's translation); Maunder, Journal of the British Astronomical Association, vol. viii., p. 174; Max Wolf, Königstuhl Report for 1904.