Barnes & Co.

EARLY DISCOVERIES AND SETTLEMENTS. [Illustration: BALBOA.] GEOGRAPHICAL KNOWLEDGE IN THE FIFTEENTH CENTURY.—The people of Europe had then never heard of America. About that time, a great desire for geographical knowledge was awakened. The compass and the astrolabe—an instrument for reckoning latitude—had been already invented. Voyagers were no longer compelled to creep along the shore, but began... more...