The Face of the Moon

Enlarged image

Schmidt did depart from Lohrmann in the nomenclature used on the map. Many additional features had been named in the fifty years since Lohrmann worked, by Mädler, Schmidt, and Birt, and Schmidt thought it proper to incorporate these changes. Thus in the illustration of the Clavius/Tycho region, the crater names of Deluc, Pictet, and Saussure--all introduced by Mädler--were added by Schmidt. It is instructive to compare the Lohrmann and Schmidt maps in detail, but it should be remembered that the Lohrmann sections are only half the size of Schmidt's.

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