| (ASTRONOMY) «The Journal of The Royal Astronomical Society of Canada» Toronto, Volume XIII No. 9, Nov. 1919. pp. 391-430. (24 cm). Content: "Atmospheric Haze and a Suspected Variation of the Solar Rotation in 1915" (H.H. Plaskett; 13 p.) / "Magnetic Survey Report, 1918" (C.A. French; 9 p.) / "Orbit of the Spectroscopic Binary 1 Geminorum" (Reynold K. Young; 6 p.) / "Orbit of the Spectroscopic Binary Boss 4669" (R.K. Young; 4 p.)... others. Tables, figures & views. (Inv. #20874) 15 $ | |
| (ASTRONOMY) «The Journal of The Royal Astronomical Society of Canada» Toronto, Volume XIV No. 2, March 1920. pp. 41-88. (24 cm). Content: "Some Results of Astronomical Work during 1919" (A.F. Miller; 19 p.) / "The Festival of the Dead" (R.G. Haliburton; 12 p.)... others. Tables. (Inv. #20875) 15 $ | |
| (ASTRONOMY) «The Journal of The Royal Astronomical Society of Canada» Toronto, Volume XIV No. 4, May 1920. pp. 129-176. (24 cm). Content: "Sunlight Engineering in Relation to Housing and Town-planning" (H.L. Seymour; 11 p.) / "An Amateur's Observatory" (F.S. Carrington; 4 p.)... others. Illustrations & figures. (Inv. #20876) 15 $ | |
| (ASTRONOMY) «The Journal of the Royal Astronomical Society of Canada» Toronto, Volume XVI No. 3, March 1922. pp. 73-120. (24 cm). Content: "Theories of the Universe" (J.R. Collins; 10 p.) / "Temperature Regulation of Spectrograph and Mirror" (J.S. Plaskett; 11 p.) / "The Reform of the Calendar" (Carl Reinhardt; 8 p.). (Inv. #20879) 15 $ | |
| (ASTRONOMY) «The Journal of the Royal Astronomical Society of Canada» Toronto, Volume XVI No. 4, April 1922. pp. 121-167. (24 cm). Content: "Comparison of Wireless Time Signals from Annapolis and Lafayette" (R.M. Stewart; 5 p.) / "The Spectroscopic Binary Orbits" (W.E. Harper; 7 p.) / "The Pickering Series and Bohr's Atom" (H.H. Plaskett; 14 p.) Illustrations. (Inv. #20880) 15 $ | |
| (ASTRONOMY) «The Journal of the Royal Astronomical Society of Canada» Toronto, Volume XVI No. 6, July-Aug. 1922. pp. 209-248. (24 cm). Content: "Stellar Luminosities" (H.D. Curtis; 10 p.). Illustrations. / "Dark Structures in the Milky Way (second contribution) with Catalogue and Description" (T.E. Espin; 13 p.) / "Percival Lowell. His Live and Work" (J.A. Paterson; 11 p.). (Inv. #20882) 15 $ | |
| (ASTRONOMY) «The Journal of the Royal Astronomical Society of Canada» Toronto, Volume XVII No. 2, March 1923. pp. 49-96. (24 cm). Content: "The Work of the Royal Astronomical Society of Canada and a Review of Astronomical Progress in 1922" (W.E.W. Jackson; 11 p.) / "Astronomical Science and Modern Philosoph" (J.H. Heffron; 10 p.) / "Wireless Time Signals Observed at Ottawa" (R.M. Stewart; 4 p.) / "The Life and Work of Tycho Brahé" (R.A. Gray; 8 p.). (Inv. #20886) 15 $ | |
| (ASTRONOMY) «The Journal of the Royal Astronomical Society of Canada» Toronto, Volume XVII No. 7, Sept. 1923. pp. 273-308. (24 cm). Content: "The Audibility of Aurora" (C.A. Chant; 13 p.) / "Star Myths" (C.R. Coutlee; 7 p.) / "The Upper Atmosphere" (J. Satterly; 12 p.). (Inv. #20891) 15 $ | |
| (ASTRONOMY) «The Journal of the Royal Astronomical Society of Canada» Toronto, Volume XVII No. 8, Octobre 1923. pp. 309-356. (24 cm). Content: "Bermuda and its Astronomical Needs" (E.D. Robinson; 4 p.) / "Computation of Planetary Configurations" (W.T.B. Crombie; 9 p.) / "Note; Relative to Changes in a Spectrum-tube of Helium" (A.F. Miller; 4 p.) / "A Great Astronomical Meeting" (J.S. Plaskett; 12 p.) Illustrations. / "A Simple Description of the System of the Star Boss 6148" (W.E. Harper; 6 p.) / "The Amateur Astronomers" (One of Them; 6 p.). (Inv. #20892) 15 $ | |
| (ASTRONOMY) «The Journal of the Royal Astronomical Society of Canada» Toronto, Volume XVIII Nos 1-2, Jan.-Feb. 1924. 72 p. (24 cm). Content: "Dr Otto Klotz" (R.M. Stewart; 9 p.) Illustrations. / "The Absolute Magnitudes and Parallaxes of 1080 Stars" (R.K. Young & Harper, W.E.; 52 p.) Illustrations. / "Notes on the Constellation Orion" (A.F. Miller; 3 p.). (Inv. #20894) 15 $ | |
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