The variation at constant density of the dielectric breakdown of paper with air resistance

FOR many years engineers have been concerned to find what the factors are that bear on and control the dielectric strength of electric cable insulating papers. Among the well-known factors investigated is the paper's density which, in most instances, has been inextricably intertwined with the paper's air resistance. As far as the authors of this article are aware, no serious attempt has been made yet to separate the influence of air resistance as a single factor. It is the belief of the authors that they have succeeded in making this separation.