Nature, Količina 19Sir Norman Lockyer Macmillan Journals Limited, 1878 |
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Stran 81
Sir Norman Lockyer. the continuous curves from pole to pole . Suppose you could obtain a piece of steel imbued with magnetism of one kind of polarity only - a magnetic " particle , " in fact , of the same kind of magnetism as the north ...
Sir Norman Lockyer. the continuous curves from pole to pole . Suppose you could obtain a piece of steel imbued with magnetism of one kind of polarity only - a magnetic " particle , " in fact , of the same kind of magnetism as the north ...
Stran 82
... pole it would not pass over from pole to pole , but would follow the line where it swerves away to the side . We know ( by experiment ) that two north - seeking poles repel one another , and we see here that the lines of force of two such ...
... pole it would not pass over from pole to pole , but would follow the line where it swerves away to the side . We know ( by experiment ) that two north - seeking poles repel one another , and we see here that the lines of force of two such ...
Stran 139
... pole to deflect the tra- jectory . The action of the north pole being to give the line of lecules a spiral twist one way , and that of the south pole being to twist it the other way , the two poles side by side compel the Ine to move in ...
... pole to deflect the tra- jectory . The action of the north pole being to give the line of lecules a spiral twist one way , and that of the south pole being to twist it the other way , the two poles side by side compel the Ine to move in ...
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