Chemical News and Journal of Industrial Science, Tom 144,Wydanie 3763Chemical news office., 1932 |
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Strona 340
... period made surprisingly accurate calculations of the Earth's circumference , notably Eratosthenes ( about 250 B.C. ) . Except among the Greeks , it is probable that no other nation of that and following periods knew that the Earth was ...
... period made surprisingly accurate calculations of the Earth's circumference , notably Eratosthenes ( about 250 B.C. ) . Except among the Greeks , it is probable that no other nation of that and following periods knew that the Earth was ...
Strona 341
... period , a thing beyond doubt , since the polar axis of the Earth , while moving in its orbit , always occupies parallel posi- tions , the orbital velocity of 18.6 miles per second taking place from west to east , and no velocity in the ...
... period , a thing beyond doubt , since the polar axis of the Earth , while moving in its orbit , always occupies parallel posi- tions , the orbital velocity of 18.6 miles per second taking place from west to east , and no velocity in the ...
Strona 346
... period of totality in eclipse , photographs revealing their presence can be taken and with success . The photographs taken by the observers of the expedition showed the expected displacement . Although the experiment did not satisfy the ...
... period of totality in eclipse , photographs revealing their presence can be taken and with success . The photographs taken by the observers of the expedition showed the expected displacement . Although the experiment did not satisfy the ...
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