The London, Edinburgh and Dublin philosophical magazine and journal of science . Fi«r. 26. c. These experiments led me to try another, which may havesome bearing on the reason for the zigzag form of the dis-charge in air. Taking once more the vacuum-tube andplacing it in the magnetic field, I permitted a very consider-able alternate current to traverse the tube. First, the twocolumns of bands appear; then the lines of force ; andfinally these phenomena remain, with an additional one,namely, a series of zigzag discharges throughout the tube,permanent in character, but varying their form continu
The London, Edinburgh and Dublin philosophical magazine and journal of science . Fi«r. 26. c. These experiments led me to try another, which may havesome bearing on the reason for the zigzag form of the dis-charge in air. Taking once more the vacuum-tube andplacing it in the magnetic field, I permitted a very consider-able alternate current to traverse the tube. First, the twocolumns of bands appear; then the lines of force ; andfinally these phenomena remain, with an additional one,namely, a series of zigzag discharges throughout the tube,permanent in character, but varying their form is quite possible that these zigzag discharges consist of de-formed bands which meet and form zigzag or sinuous they should vary in form may possibly be in consequenceof the ever-changing temperature of the gases within the tube,due to so large a current passing. Hence it is not impossiblethat the zigzag discharge in air is due to the magnetic pro-perties of the current itself. Of course further experiment isneeded to demonstrate the truth of what I have suggested asa p
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