| (ASTRONOMY) «The Journal of The Royal Astronomical Society of Canada» Toronto, Volume X No. 7, Sept. 1916. pp. 345-420. (24 cm). Content: "Haze Effect on Measures of Solar Rotation" (R.E. De Lury; 14 p.) / "Orbit of the Spectroscopic Binary X Aurigae" (R.K. Young; 18 p.) / "Note on the Spectroscopic Binary 12 Lacertae" (R.K. Young; 3 p.). / "Orbit of Spectroscopic Binary 125 Tauri" (J.B. Cannon; 6 p.) / "Companions of the Sun" (Albert D. Watson; 18 p.)... others. Tables. (Inv. #20852) 15 $ | |
| (ASTRONOMY) «The Journal of The Royal Astronomical Society of Canada» Toronto, Volume X No. 8, Oct. 1916. pp. 421-472. (24 cm). Content: "Swarthmore Meeting of the American Astronomical Society" (W.E. Harper; 10 p.) / "A Study of the Light Variation of the Star BD 61'493" (R.J. McDiarmid; 13 p.) / "A Meteoric Shower in June" (W.F. Denning; 4 p.)... others. Tables. (Inv. #20853) 15 $ | |
| (ASTRONOMY) «The Journal of The Royal Astronomical Society of Canada» Toronto, Volume X No. 9, Nov. 1916. pp. 472-522. (24 cm). Content: "The Planetesimal Hypothesis" (T.C. Chamberlin; 26 p.) / "The Parallax of 61 Cygni" (Mary Murray Hopkins; 8 p.)... others. Plates & tables. (Inv. #20854) 15 $ | |
| (ASTRONOMY) «The Journal of The Royal Astronomical Society of Canada» Toronto, Volume XI No. 10, Dec. 1917. pp. 403-434. (24 cm). Content: "The Sun and the Weather" (C.G. Abbott; 15 p.) / "Seen in a Fourteen-Inch Reflector" (A.R. Hassard; 5 p.)... others. (Inv. #20855) 15 $ | |
| (ASTRONOMY) «The Journal of The Royal Astronomical Society of Canada» Toronto, Volume XI No. 7, Sept. 1917. pp. 261-316. (24 cm). Content: "Long-Range Forecasting and Other Weather Illusions" (J. Patterson; 21 p.) / "The Great Problems of the Universe" (W.W. Campbell; 11 p.) / "The Rainbow" (Otto Klotz; 6 p.)... others. Figures. (Inv. #20856) 15 $ | |
| (ASTRONOMY) «The Journal of The Royal Astronomical Society of Canada» Toronto, Volume XI No. 8, Oct. 1917. pp. 317-364. (24 cm). Content: "Notes on An Exploration Through the Yukon Along the Base of the St. Elias Alps" (J.J. McArthur; 17 p.) / "Orbits of Three Spectroscopic Binaries" (W.E. Harper; 6 p.) / "The Albany Meeting of the American Astronomical Society" (W.E. Harper; 9 p.)... others. Plates & tables. (Inv. #20857) 15 $ | |
| (ASTRONOMY) «The Journal of The Royal Astronomical Society of Canada» Toronto, Volume XI No. 9, Nov. 1917. pp. 365-402. (24 cm). Content: "Aurora-Borealis: Display of August 21, 1915" (A. Steadworthy; 3 p.) / "The Determination of the Date of Easter" (J.W. Campbell; 10 p.) / "Some Problems in Photography" (A. Steadworthy; 6 p.)... others. Plates & figures. (Inv. #20858) 15 $ | |
| (ASTRONOMY) «The Journal of The Royal Astronomical Society of Canada» Toronto, Volume XII No. 1, Jan. 1918. 32 p. (24 cm). Content: "Distorted Solar Halos" (A.F. Hunter; 11 p.) / "The Earth and Population" (Otto Klotz; 5 p.) / "The Rainbow" (C.T. Whitmell; 3 p.)... others. Figures & tables. (Inv. #20859) 15 $ | |
| (ASTRONOMY) «The Journal of The Royal Astronomical Society of Canada» Toronto, Volume XII No. 2, Feb. 1918. pp. 33-80. (24 cm). Content: "Are the Spiral Nebulae External Galaxies?" (A.C.D. Crommelin; 15 p.) / "The Variable Star W Virginis" (C.A. Chant; 11 p.) / "Locating Sub-Marine Vaults" (Otto Klotz; 5 p.)... others. Tables. (Inv. #20860) 15 $ | |
| (ASTRONOMY) «The Journal of The Royal Astronomical Society of Canada» Toronto, Volume XIII No. 5, May-June 1919. pp. 215-258. (24 cm). Content: "The Present Position of the Nebular Hypothesis" (J.H. Jeans; 14 p.) / "Eye and Ear Observations" (Otto Klotz; 6 p.)... others. Plate & tables. (Inv. #20870) 15 $ | |
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