| (ASTRONOMY) «The Journal of The Royal Astronomical Society of Canada» Toronto, Volume VI No. 4, July-Aug. 1912. pp. 224-264. (24 cm). Content: "The Dark Structures in the Milky Way" (T.E. Espin; 7 p.) / "The Spectroscopic Binary Tauri" (J.S. Plaskett; 10 p.) / "In the Background of the Stars" (C.A. Chant; 7 p.)... others. Numerous plates. (Inv. #20845) 15 $ | |
| (ASTRONOMY) «The Journal of The Royal Astronomical Society of Canada» Toronto, Volume VIII No. 1, Jan.-Feb. 1914, 84 p. (24 cm). Content: "The Form and Constitution of the Earth" (L.B. Stewart; 20 p.) / "The Motions of the Stars" (C.A. Chant; 16 p.) / "A Question of Priority in Originating a Very Important Astronomical Method" (John E. McGrath; 6 p.)... others. Tables & plates. (Inv. #20847) 15 $ | |
| (ASTRONOMY) «The Journal of The Royal Astronomical Society of Canada» Toronto, Volume X No. 1, Jan. 1916. 40 p. (24 cm). Content: "Aurora, Earth Currents and Magnetic Disturbances" (Otto Klotz; 8 p.) / "The Orbit of the Spectroscopic Binary A Boötis" (Reynold K. Young; 8 p.) / "Orbit of Spectroscopic Binary a Trianguli" (W.E. Harper; 5 p.)... others. Tables. (Inv. #20848) 15 $ | |
| (ASTRONOMY) «The Journal of The Royal Astronomical Society of Canada» Toronto, Volume X No. 2, Feb. 1916. pp. 41-100. (24 cm). Content: "Sir Robert Ball" (John A. Paterson; 23 p.) / "A Census of the Sky" (R.A. Sampson; 16 p.)... others. Plate & tables. (Inv. #20850) 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 X No. 10, Dec. 1916. pp. 523-576. (24 cm). Content: "Sketch of the Life and Works of Rev. Jeremiah Horrox" (G. Napier Clark; 15 p.) / "Gravity" (F.A. McDiarmid; 17 p.) / "The Question of Diffused Light in Mount Wilson Solar Observations" (C.E. St. John; 4 p.)... others. With plates. (Inv. #20849) 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 $ | |
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