Catalog of Planetary Maps
#302

Wicks, M. A.

Chart of the Moon, showing the Principal Formations seen on its Surface

Marsdrawing

1911, London · Seeley and Co. Limited

https://www.gutenberg.org/files/27633/27633-h/27633-h.htm
From a Globe made by M. Wicks - The dark shaded portions are vegetation, mostly on old sea-beds. The fine lines are the canals, and the round dots the oases. The light areas are deserts. Longitude "0" is seen on the Equator between the two forks of the "Sabaeus Sinus."
The view of the moon is photographed from a large coloured drawing by the author, which occupied many months in preparation and execution. It shows all the principal formations[Pg xxi] seen through the telescope as the moon passes through its various phases, but it must be understood that the formations can never all be seen at one view as shown in this picture. As the sun rises on any particular formation the details are gradually revealed by the long shadows cast by the more elevated portions when the sun is low down in the lunar sky. As the sun rises higher and higher the shadows grow shorter and shorter, and when the sun is vertically over the formation the shadows entirely disappear; all details are thus rendered invisible.