DAVIS, JOHN
Adair's New Encyclopedia · 1923 · p. 6
(c. 1550-1605), Eng. sought north-west pa age East, pa ing through straits since Davis, 1587; invented quadrant used, and wrote books on naviga-
Bu kavram başka kaynaklarda da geçiyor
The American Dictionary and Cyclopedia (1909)
Nuttall Encyclopedia (1907)
Encyclopedic Dictionary of American Reference (1901)
Chandler's Encyclopedia (1898)
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