The first edition (1907) of the The Canadian Astronomical Handbook (later named the Observer's Handbook). This digital edition contains special introductory text written by former Handbook editor Roy Bishop in 2009.
Aurora Borealis: Display of August 21, 1917, JRASC 11,365 (Nov. 1917, Plate XVI) by A. Steadworthy.
Aurora Borealis: Display of August 21, 1917, JRASC 11,365 (Nov. 1917, Plate XV) by A. Steadworthy.
Key to Objects on the Drawings
Sketch published in JRASC, 1918.
Picture published in JRASC, 1919.
Published in JRASC, 1918.
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