Mars as seen on 1892 August 2 in Mr. Lumsden's 10-inch reflector. Sketch by Andrew Elvins.
Mars. Sketch by Andrew Elvins, sometime between 1868 and 1899.
Mars in 1884. Sketch by Andrew Elvins. 4-inch Wray Achromat - Power 200.
Left: Feb 20th - 9h Right: Mar 3rd - 11h.30m
