1900s

Thomas Lindsay 1900 (Back)

My father at Wadesborough, North Carolina, May 28-1900. To record an eclipse of the Sun. For, The Toronto Astronomical Society.

© W. Caldwell (great-great grandson of Thomas Lindsay)

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Thomas Lindsay 1900

Thomas Lindsay at Wadesborough, NC, USA on 1900 May 28 to record the total solar eclipse for the Toronto Astronomical Society. © W. Caldwell (great-great grandson of Thomas Lindsay).

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Decimals and Decimalisation

Decimals and Decimalisation

A STUDY AND SKETCH
BY
Arthur Harvey
Actuary, F.R.S.C., Etc.
Toronto, Canada

Review #1 is from The Daily Free Press, London, Ontario for Saturday, February 16, 1901.

Review #2 is from The Gazette, Montreal for January 26, 1901.

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Observer's Handbook 1907

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.

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Aurora 19170821 #3

Aurora Borealis: Display of August 21, 1917, JRASC 11,365 (Nov. 1917, Plate XVI) by A. Steadworthy.

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Aurora 19170821 #2

Aurora Borealis: Display of August 21, 1917, JRASC 11,365 (Nov. 1917, Plate XV) by A. Steadworthy.

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Aurora 19170821 #1

Aurora Borealis: Display of August 21, 1917, JRASC 11,365 (Nov. 1917, Plate XV) by A. Steadworthy.

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Mars 19180329-2130

Key to Objects on the DrawingsNorth polar capCerauniusTharsisTithonius LacusSolis LacusThaumasiaAonius SinusBosphorus GemmatusAuroræ SinusOphirGangesLunæ LacusTempeSketch published in JRASC, 1918.

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Mars 19180324-2100

Key to Objects on the DrawingsNorth polar capIndistinct shadings in Eden and ArabiaSinus SabæusSolis PonsSyrtis MajorOsiridis Prom.Nili PonsWhite regionNeith RegioSketch published in JRASC, 1918.

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Mars 19180322-2115

Key to Objects on the DrawingsNorth polar capMare AcidaliumEdenEdomSinus SabæusDeucalionis RegioSyrtis MajorOsiridis Prom.Nili PonsWhite regionSketch published in JRASC, 1918.

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