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Halaman 43
... cord , National Electrical Code Standard . The second test was made to determine the change in elec- trical insulating properties of both rubber insulation and " slow burning " insulation with temperature and with time . The 43.
... cord , National Electrical Code Standard . The second test was made to determine the change in elec- trical insulating properties of both rubber insulation and " slow burning " insulation with temperature and with time . The 43.
Halaman 44
... insulation in the usual manner . Ink marks were then placed 2 inches apart and at the center of these 6 - inch ... insulation resistance was measured by the standard series galvanometer method using 600 volts for the rubber insulated ...
... insulation in the usual manner . Ink marks were then placed 2 inches apart and at the center of these 6 - inch ... insulation resistance was measured by the standard series galvanometer method using 600 volts for the rubber insulated ...
Halaman 60
... insulation than in the case of the rubber insulation . ( 4 ) The rubber insulation , after subjection to a tem- perature of 180 deg . fahr . for 3000 hours and continuous vibration , still had over half of its original tensile strength ...
... insulation than in the case of the rubber insulation . ( 4 ) The rubber insulation , after subjection to a tem- perature of 180 deg . fahr . for 3000 hours and continuous vibration , still had over half of its original tensile strength ...
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2Appointment of Committee on Chairmans Address | 2 |
5Report of Committee on Commercial Service | 12 |
6Report of Wiring Committee RS HALE Chairman | 71 |
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