The Face of the Moon

Enlarged image

The drawings are a superb testament to Mayer's observing skill. The illustration shows a sketch of Mare Crisium (Sea of Crises) and four craters above on the terminator: Langrenus, Vendelinus, Petavius (with central peak) and Furnerius. Mayer's rendition of the four craters may compared with an early Lick Observatory photograph (see item 28)

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