Note 836 — Chapter XXIX · NEBULOUS CLUSTERS—Continued.
Reading edition
Cf. photographs of the cluster and nebula by Naegamvala, Knowledge, vol. xix. p. 183, and by Roberts, ibid. vol. xxiii. p. 132.
Reading edition
Cf. photographs of the cluster and nebula by Naegamvala, Knowledge, vol. xix. p. 183, and by Roberts, ibid. vol. xxiii. p. 132.