It is more than three feet square; for convenient reference
it is divided into four parts, each having a very full index; in short,
this map is in all respects a master piece of lunar cartography.[B]
After Beer and Maedler, we should allude to Julius Schmitt's (of Athens)
excellent selenographic reliefs: to Doctor Draper's, and to Father
Secchi's successful application of photography to lunar representation;
to De La Rue's (of London) magnificent stereographs of the Moon, to be
had at every optician's; to the clear and correct map prepared by
Lecouturier and Chapuis in 1860; to the many beautiful pictures of the
Moon in various phases of illumination obtained by the Messrs. Bond of
Harvard University; to Rutherford's (of New York) unparalleled lunar
photographs; and finally to Nasmyth and Carpenter's wonderful work on
the Moon, illustrated by photographs of her surface in detail, prepared
from models at which they had been laboring for more than a quarter of
the century.
Of all these maps, pictures, and projections, Barbican had provided
himself with only two--Beer and Maedler's in German, and Lecouturier and
Chapuis' in French. These he considered quite sufficient for all
purposes, and certainly they considerably simplified his labors as an
observer.
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