Drawn by: Edward Walter Maunder Evans, J. E. & Maunder, E. W.: Experiments as to the actuality of the “Canals” observed on Mars. Monthly Notices of the Royal Astronomical Society, Vol. 63, p.488-499. June 1903 This experiment was to test the real existence of canals on Mars. “Drawing 6*25 inches based upon one by Professor Schiaparelli made […]