Description: General map of Mars, showing the doubling of the channels of Mars and a view of the opposition of Mars d during the late 19th century.
Origin: editions of the German encyclopedia by Meyers grosses Konversations-Lexikon.
Meyer operated very successfully as a publisher, employing a system of serial subscription to publications, which was new at that time. His prints were published from 1829 until in the 20e century.
