| (ASTRONOMY) «The Journal of The Royal Astronomical Society of Canada» Toronto, Volume V No. 4, July-Aug. 1911. pp. 245-290. (24 cm). Content: "Some Recent Interesting Developments in Astronomy" (J.S. Plaskett; 22 p.) / "The Orbit of b Persei" (J.B. Cannon; 7 p.) / "Personal Errors of Bisection in Meridian Circle Work" (D.B. Nugent; 6 p.)... others. With tables & plates. (Inv. #20841) 15 $ | |
| (ASTRONOMY) «The Journal of The Royal Astronomical Society of Canada» Toronto, Volume VI No. 1, Jan.-Feb. 1912. 74 p. (24 cm). Content: "Theories of World Making" (A.T. De Luy; 15 p.) / "Location of Epicentres for 1911" (Otto Klotz; 10 p.) / "The Spectrum of Nova Geminorum" (J.S. Plaskett; 11 p.)... others. Tables & plates. (Inv. #20843) 15 $ | |
| (ASTRONOMY) «The Journal of The Royal Astronomical Society of Canada» Toronto, Volume VI No. 3, May-June 1912. pp. 151-224. (24 cm). Content: "Precise Levelling in Canada" (F.B. Reid; 29 p.) / "A Long-Period Spectroscopic Binary" (W.E. Harper; 10 p.)... others. Tables & plates. (Inv. #20844) 15 $ | |
| (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. 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 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. 5, May-June 1916. pp. 201-266. (24 cm). Content: "Some Measurements of Blended Spectra" (R.E. De Lury; 20 p.) / "The Psychology of Differential Measurements" (H.H. Plaskett; 16 p.) / "A Prismatic Arc" (A.F. Hunter; 7 p.) / "Some Dark Markings on the Sky and What They Suggest" (E.E. Barnard; 10 p.)... others. With tables & plates. (Inv. #20851) 15 $ | |
| (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 $ | |
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