Note 31 — Chapter X · SETTING UP AND HOUSING THE TELESCOPE
Reading edition
See also two valuable papers by Sir Howard Grubb, The Observatory, Vol. VII, pp. 9, 43. Also in Jour. Roy. Ast. Soc. Canada, Dec., 1921, Jan. 1922.
Reading edition
See also two valuable papers by Sir Howard Grubb, The Observatory, Vol. VII, pp. 9, 43. Also in Jour. Roy. Ast. Soc. Canada, Dec., 1921, Jan. 1922.