NE 396A 2C51 twin triode

Western Electric had a Canadian based subsidiary called Northern Electric that manufactured tubes in Canada in the 70's utilizing the same raw materials and tooling that Western Electric used. These 2C51 396A twin triodes have separate cathodes suitable for use in amplifier, mixer, oscillator and multivibrator circuits. These are not the Chinese Northern Electric(NE) tubes available now. These are Made in Canada with a date code of 1974.