Science, Том 14John Michels (Journalist) American Association for the Advancement of Science, 1889 |
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Стр. 142
... feet was to be excavated through quicksand to a ledge about a hundred feet be- low the surface . The mining company put the freezing pipes into the ground three feet apart , in a circle twenty - nine feet in diameter , and , with the ...
... feet was to be excavated through quicksand to a ledge about a hundred feet be- low the surface . The mining company put the freezing pipes into the ground three feet apart , in a circle twenty - nine feet in diameter , and , with the ...
Стр. 259
... feet in 4,300 feet of length , and was nearly all curves , and con- sequently was well adapted for testing every point of the new sys- tem except speed . The motion of the train was remarkably smooth , and free from jolts . CYCLE N ° 1 ...
... feet in 4,300 feet of length , and was nearly all curves , and con- sequently was well adapted for testing every point of the new sys- tem except speed . The motion of the train was remarkably smooth , and free from jolts . CYCLE N ° 1 ...
Стр. 348
... feet , in a minute ; while an- other , with a pulse of 66 and a respiration of 22 , makes 51 steps and reads 120 feet in the same time . Verse - reading in schools might be similarly tested . In a preliminary test a pupil with a pulse ...
... feet , in a minute ; while an- other , with a pulse of 66 and a respiration of 22 , makes 51 steps and reads 120 feet in the same time . Verse - reading in schools might be similarly tested . In a preliminary test a pupil with a pulse ...
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A WEEKLY NEWSPAPER OF ALL THE ARTS AND SCIENCES | 35 |
Subscriptions United States and Canada | 60 |
Communications will be welcomed from any quarter Rejected manuscripts will | 236 |
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