Nature, Volume 79Sir Norman Lockyer Macmillan Journals Limited, 1908 - Science |
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Page 53
... tube containing the parallel aluminium plates is narrowed as much as possible , and passes between the poles P P of a powerful electromagnet of the Du Bois type . The poles of this magnet are as close together as the glass tube will ...
... tube containing the parallel aluminium plates is narrowed as much as possible , and passes between the poles P P of a powerful electromagnet of the Du Bois type . The poles of this magnet are as close together as the glass tube will ...
Page 56
... tube could be reduced to very low values without making the discharge so difficult as to lead to perforation of the tube by sparking , and accurate measurements of the position of the patches of phosphorescence could be obtained at ...
... tube could be reduced to very low values without making the discharge so difficult as to lead to perforation of the tube by sparking , and accurate measurements of the position of the patches of phosphorescence could be obtained at ...
Page 267
... tubes and plates , however , the case is different , for with the tube the ratio of the thickness of the walls to the diameter of the tube has to be considered as well as the ratio of the diameter to the length . Thus a tube the length ...
... tubes and plates , however , the case is different , for with the tube the ratio of the thickness of the walls to the diameter of the tube has to be considered as well as the ratio of the diameter to the length . Thus a tube the length ...
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