Note 19 — Chapter XI · ASTRONOMICAL HINTS FOR ARCHÆOLOGISTS
Reading edition
Dr. O. Danckworth, Vierteljahrschrift der Astronomischen Gesellschaft, 16. Jahrgang 1881, p. 9. Dr. Stockwell’s results have been communicated to me by letter. Some, but not all, of Dr. Lockyer’s calculations appeared in The Dawn of Astronomy.