Scale [ca. 1:68,000,000] (W 180°--E 180°/N 82°--S 72°).
1 map : hand col. ; 41 x 60 cm.
"Entered according to Act of Congress in the year 1874 by Asher Adams, in the Office of the Librarian of Congress at Washington."
Relief shown by hachures.
Shows shipping routes, ocean currents, etc.
Prime meridians: Greenwich and Washington.