Nystrom, John W. (John William), 1824-1885 · Philadelphia, J.B. Lippincott · leaf 329
298 GE3GRAPIIY. GEOGRAPHY. … The Earth on which we lire, is a round ball or sphere, with a mean diameteror 7914 statute miles. The whole surface of the earth is 196800000 square miles,cf which only one fourth, or nearly 50,000000 square miles is land, and about150,000000 square miles water. Table of Area and Population of the…
Mechanical engineering · Engineering
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