Science, Том 13Moses King, 1889 Since Jan. 1901 the official proceedings and most of the papers of the American Association for the Advancement of Science have been included in Science. |
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Стр. 100
... forces acting upon the secondary , one an electro - static force , due to the rapid variation of the distribution of charge on the primary ; the other an electro - magnetic effect , due to the current oscillating back and forth on the ...
... forces acting upon the secondary , one an electro - static force , due to the rapid variation of the distribution of charge on the primary ; the other an electro - magnetic effect , due to the current oscillating back and forth on the ...
Стр. 152
... force exerted on him by the wind . Although , therefore , the resultant force on the bird may have been initially horizontal , it will not re- main so even for a short time . But it may remain for some time very nearly horizontal ; for ...
... force exerted on him by the wind . Although , therefore , the resultant force on the bird may have been initially horizontal , it will not re- main so even for a short time . But it may remain for some time very nearly horizontal ; for ...
Стр. 205
... force of the wind is increased in the ratio of 30 ° to 422 , or as 1 to 2 nearly , and so in a ratio more than double the preceding one . In estimating the force of the wind from the indications of the anemometer , the effect of the ...
... force of the wind is increased in the ratio of 30 ° to 422 , or as 1 to 2 nearly , and so in a ratio more than double the preceding one . In estimating the force of the wind from the indications of the anemometer , the effect of the ...
Содержание
SINGLE COPIES TEN CENTS | 16 |
In Two Volumes Large 12m0 | 67 |
ELECTRICAL TESTING BUREAU | 92 |
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