Abstract
THE method suggested for producing reversal on a Voss or Wimshurst will not be found always trustworthy. Atmospheric conditions make a great difference. I have been experimenting for more than a year with the view of finding a solution of the reversal problem, and think I have succeeded in tracing the cause, which is primarily connected with dielectric strain. A Wimshurst with the dischargers beyond sparking distance, working at full speed, will often reverse if the discharge is made by suddenly connecting the terminals, but there is no certainty in producing this effect. I have recently constructed an influence machine akin to the Voss except that the replenishment is from the back of the disc. Reversal is still the stumbling block, and must occur with fixed inductors, while no plan for controlling the reversal can be relied upon. I should be happy to give any of your correspondents fuller particulars of my experiments if they will communicate with me.
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BENHAM, C. Reversal in Influence Machines. Nature 71, 320 (1905). https://doi.org/10.1038/071320b0
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DOI: https://doi.org/10.1038/071320b0
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